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Penny Dreadful. The ultra-budget, 10,000-card Magic Online brewer's paradise with powerful cards, five free weekly tournaments, free 24/7 league, prizes, quarterly rotations, and a super friendly community.

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Bugs

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Atarka's Command Atarka's Command's first activated ability doesn't appear in the Effect zone after it resolves. Unclassified
Icefall Regent If you target an [Icefall Regent] with a fused split card, you must pay {2} for each side of the split card, for a total of {4} Advantageous
Living Lore If [Living Lore] imprints a Split Card, it has twice the expected CMC. Advantageous
Terastodon If some (not all) of Terastodon's targets are indestructible permanent(s), it will incorrectly create elephant token(s) for the owner of those permanents. Advantageous
Phyrexian Metamorph Clones such as Phyrexian Metamorph are not granted haste by Mimic Vat. Unclassified
Doubling Season Doubling Season incorrectly doubles lore counters on sagas such as The Mirari Conjecture placed during the draw step. Unclassified
Doubling Season Doubling Season incorrectly doubles loyalty counters added from costs of loyalty abilities. Advantageous
Sneak Attack The delayed trigger ability of Sneak Attack causes the opponent to sacrifice the creature if they gain control it. Advantageous
Elesh Norn, Grand Cenobite If Containment Priest and Elesh Norn, Grand Cenobite are both Exhumed, Elesh Norn, Grand Cenobite is exiled and her effect lasts indefinitely. Advantageous
Hada Freeblade Certain cards, such as Hada Freeblade, do not display a legality error for the Pauper format in the collection scene. Graphical
Circle of Flame Cards that are only common in PRM version can be added to Pauper decks, but you can't join a Pauper match with decks that have those cards Unconfirmed
Wall of Roots The mana abilities of Wall of Roots and Kozilek's Translator cannot be activated while paying the mana cost of a spell or ability. Players can still activate these abilities at any time that player has priority. Disadvantageous
Glacial Ray Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Glacial Ray Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Buried Alive The order of cards put into the graveyard by Buried Alive is random Disadvantageous
Spoils of Victory [Spoils of Victory] The land comes into play tapped Disadvantageous
Zodiac Rooster Cards that are only common in PRM version can be added to Pauper decks, but you can't join a Pauper match with decks that have those cards Unconfirmed
Khalni Garden The art for the Plant token created by Khalni Garden is incorrect Graphical
Profane Command Profane Command If a player gains shroud in response to Profane Command, the first mode will still resolve / choosing to give creatures fear when you control no creatures prompts a large number. Advantageous
Smokebraider Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Lurking Evil [Lurking Evil] makes you pay half your opponent's life total Advantageous
Reviving Vapors Reviving Vapors doesn't cause you to gain life. Disadvantageous
Cursed Scroll [Cursed Scroll] does not deal damage if choosing to click the card in your hand, rather than typing the name. Graphical
Mishra's Workshop When there are floating generic mana and restricted mana (such as [Mishra's Workshop] mana) that are same color (or same colorless), MTGO will always use generic mana first before using the restricted mana. Workaround: don't float the generic mana if you want to use the restricted mana first Disadvantageous
Dampen Thought Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Dampen Thought Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Gifts Ungiven If a player uses the Undo function when selecting cards for their opponent's Gifts Ungiven, they will only be able to choose 1 card to go to the graveyard. Disadvantageous
Horobi's Whisper Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Horobi's Whisper Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Thieving Sprite When only some cards from an opponent's hand are revealed, they do not appear in the revealed zone Disadvantageous
Blood Moon Vesuva allows you to copy a basic land with Blood Moon in play. Unclassified
Blood Moon If Vesuva copies a land with a static ability and then is later turned into a basic land (perhaps by a Blood Moon or Spreading Seas), that static ability will not be removed. Triggered and activated abilities are correctly removed. Advantageous
Desperate Ritual Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Desperate Ritual Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Torrent of Stone Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Torrent of Stone Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Entreat the Angels When Entreat the Angels is on the stack with 0 chosen for X, the blue text that typically indicates the value of X does not appear. Graphical
Compulsive Research Dredging rather than drawing can let you avoid discarding Advantageous
Grafdigger's Cage If you manifest a creature with Grafdigger's Cage in play, it will be exiled. Disadvantageous
Puppeteer Clique Creatures returned with Puppeteer Clique are exiled at the end of any turn, not just the controller's Disadvantageous
Greater Realm of Preservation Greater Realm of Preservation does not prevent Sin Prodder's upkeep trigger damage Disadvantageous
Pox The calculation code seems to be wrong, because one third of three (3) is calculated as two (2) Unconfirmed
Fire Covenant If Fire Covenant is cast for x=0 and you pay the 1 extra mana that MTGO asks you to (which is the bug), the game will restarts. Workaround: Undo the process if you encounter this bug, and never cast it for x=0 Avoidable Game Breaking
Tawnos's Coffin Tawnos's Coffin crashes the game for everyone when it tries to return a card to the battlefield. Game Breaking
Island Sanctuary [Island Sanctuary]'s replacement effect is available if you draw a card during an opponents draw step Advantageous
Lich Lich If you cannot sacrifice enough permanents, the game restarts Game Breaking
Primitive Justice [Primitive Justice] will either not cast/restart the game with a single target. Game Breaking
Freyalise's Winds [Freyalise's Winds] Anytime a permanent with a wind counter would be untapped outside of the untap step, a wind counter is removed rather than it becoming untapped. Disadvantageous
Reincarnation [Reincarnation] Does nothing Non-Functional ability
Nebuchadnezzar [Nebuchadnezzar] ability makes the game start endlessly repeating itself Game Breaking
Rogue Skycaptain [Rogue Skycaptain]'s upkeep cost is {0}. Advantageous
Phyrexian Portal Phyrexian Portal doesn't let the owner see the pile they have chosen or choose a card Disadvantageous
Austere Command Austere Command does not respect 711.4b and treats the converted mana cost of the back side of double-faced permanents as 0. Disadvantageous
Phantom Tiger If Phantom Tiger dies in combat, blue text abilities it had been granted do not apply to that combat's damage. Disadvantageous
Rosheen Meanderer Rosheen Meanderer is unable to contribute mana to spells that ask an opponent to pay X, such as Condescend. Disadvantageous
Vesuvan Shapeshifter If Vesuvan Shapeshifter copies a Megamorph creature with it's face-up ability, it will retain the Megamorph ability in later turns, gaining +1/+1 counters. Advantageous
Containment Priest Containment Priest exiles Theros Gods even when their devotion isn't met. Advantageous
Through the Breach Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Through the Breach Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
The Scarab God The Scarab God and God-Pharaoh's Gift do not respect 706.9d and replaces characteristic defining abilities when creating copies of creatures. Unclassified
Scroll Rack The "OK" button of Scroll Rack has a display issue that displays it as a "cancel" button. Graphical
Archangel Avacyn Archangel Avacyn and Garruk, the Veil-Cursed do not respect Commander color identity. Unclassified
Garruk Relentless Archangel Avacyn and Garruk, the Veil-Cursed do not respect Commander color identity. Unclassified
Garruk Relentless The art for the wolf token created by Garruk, the Veil-Cursed is incorrect. Graphical
Vesuva Vesuva allows you to copy a basic land with Blood Moon in play. Unclassified
Vesuva If Vesuva copies a land with a static ability and then is later turned into a basic land (perhaps by a Blood Moon or Spreading Seas), that static ability will not be removed. Triggered and activated abilities are correctly removed. Advantageous
Windbrisk Heights Shelldock Isle and other hideaway lands from Lorwyn do not allow you to play lands. Disadvantageous
Mosswort Bridge Shelldock Isle and other hideaway lands from Lorwyn do not allow you to play lands. Disadvantageous
Mire's Toll When only some cards from an opponent's hand are revealed, they do not appear in the revealed zone Disadvantageous
Summoner's Bane Token created by Summoner's Bane have incorrect art and incorrectly display that they have flying Graphical
Koth of the Hammer When controlling the Emblem of Koth of the Hammer, lands do not display the blue text they have. Graphical
Chandra Nalaar Chandra Nalaar Ultimate ability (Chandra's -8) does not count as damage from a planeswalker. Disadvantageous
Reflecting Pool Reflecting Pool does not get the ability to add any color of mana to your mana pool from Crumbling Vestige. Disadvantageous
Custodi Lich Custodi Lich The sacrifice trigger happens whenever any player becomes the monarch. Advantageous
Borderland Explorer All lands fetched using Borderland Explorer's ETB ability, regardless of who owns it, will ends up in Borderland's controller hand, but those lands can't be played or discarded Advantageous
Selvala, Heart of the Wilds Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Kaya, Ghost Assassin If Kaya, Ghost Assassin exiles a commander with the first ability, and its controller chooses not to replace exile with the command zone, the commander will still go to the command zone until Kaya returns it. Unconfirmed
Spell Crumple There are known issues with giving flashback to a spell that is put on the bottom of a library as it resolves. Unclassified
Kess, Dissident Mage Kess Dissident Mage's ability allows you to cast spells during other players' turns and to cast spells with no mana costs Advantageous
Nazahn, Revered Bladesmith Nazahn, Revered Bladesmith will sometimes give the equipment it finds to another player's hand. Unclassified
Nazahn, Revered Bladesmith Searching for any equipment other than Nazahn's Hammer causes it to be put in an opponent's hand Disadvantageous
The Ur-Dragon The Ur-Dragon also reduces its own casting cost. Advantageous
Clone Legion [Clone Legion] puts multiple excess copies of all creatures from all of the targeted player's zones. Advantageous
Crucible of the Spirit Dragon Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Mystifying Maze [Mystifying Maze] returns the exiled creature to the battlefield untapped. Disadvantageous
Prismatic Geoscope Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Whims of the Fates Whims of the Fates Causes client crashes Game Breaking
Spinerock Knoll Shelldock Isle and other hideaway lands from Lorwyn do not allow you to play lands. Disadvantageous
Mirror Match Mirror Match Non-creature permanents that become creatures temporarily are incorrectly considered blocked by the token copies Advantageous
Synthetic Destiny Synthetic Destiny and Mass Polymorph do not take commanders into account when determining the number of creatures to reveal. Disadvantageous
Angelic Field Marshal Angelic Field Marshal still grants a bonus to your commander when an opponent gains control of it. Advantageous
Infinite Reflection [Infinite Reflection] All creatures become copies, not just ones you control. Advantageous
Curse of Shallow Graves Curse of Shallow Graves creates Zombie tokens with incorrect art. Graphical
Spreading Seas If Vesuva copies a land with a static ability and then is later turned into a basic land (perhaps by a Blood Moon or Spreading Seas), that static ability will not be removed. Triggered and activated abilities are correctly removed. Advantageous
Bala Ged Thief When only some cards from an opponent's hand are revealed, they do not appear in the revealed zone Disadvantageous
Sanguine Sacrament There are known issues with giving flashback to a spell that is put on the bottom of a library as it resolves. Unclassified
Settle the Wreckage Settle the Wreckage does not give the targeted player the option to not search their library. Advantageous
Gishath, Sun's Avatar Gishath, Sun's Avatar does not allow you to decline to put a Dinosaur creature into play if you have one in your hand. Disadvantageous
Hostage Taker If a Commander is targeted with Hostage Taker and sent to its owner's command zone instead of exile, it can still be cast by the controller of Hostage Taker. Unclassified
Hostage Taker If a Commander is targeted with Hostage Taker and sent to its owner's command zone instead of exile, it can still be cast by the controller of Hostage Taker. Unclassified
Hostage Taker If a Commander is targeted with Hostage Taker and sent to its owner's command zone instead of exile, it can still be cast by the controller of Hostage Taker. Unclassified
Primal Amulet If you cast a card you don't own with Primal Wellspring, the copy is cast by the card's owner. Disadvantageous
Ricochet Trap Ricochet Trap restarts the game when cast for its alternate cost. Avoidable Game Breaking
Spinning Darkness You can't cast Spinning Darkness for its alternate cost Disadvantageous
Apathy The triggered ability of Apathy causes a soft-lock. Game Breaking
Noble Benefactor All lands fetched using Borderland Explorer's ETB ability, regardless of who owns it, will ends up in Borderland's controller hand, but those lands can't be played or discarded Advantageous
Dream Tides Dream Tides doesn't require a cost for nongreen creatures chosen to untap. Advantageous
Thran Turbine [Thran Turbine] mana is able to be used to cast spells Advantageous
Anthroplasm Anthroplasm dies as soon as its ability resolves and can cause a softlock with an anthem effect out. Avoidable Game Breaking
Multani's Presence Multani's Presence incorrectly draws cards off copies of spells that are countered Advantageous
Compost [Compost] The effect isn't triggered when an opponent only casts the nonblack half of a split card. Disadvantageous
Storage Matrix Storage Matrix Selecting yes to anything other than artifacts with two Storage Matrices in play causes the game to soft lock. Disadvantageous
Psychotic Episode Psychotic Episode The card on top of the library isn't displayed in the revealed zone Graphical
Ignite Memories Ignite Memories and similar cards can cause a game restart if the target has no cards in hand. Game Breaking
Sindbad Fa'adiyah Seer and Sindbad's ability won't discard non-land card drawn if there is any dredge card in your graveyard Advantageous
Dream Halls Dream Halls Ability is non-functional. Cannot cast spells with the alternative Casting Cost. Non-Functional ability
Booby Trap [Booby Trap] does not let you name anything other than non-basic lands. Disadvantageous
Reap [Reap] puts a "face down ability" into hand instead of the targetted cards Game Breaking
Disciple of Phenax When only some cards from an opponent's hand are revealed, they do not appear in the revealed zone Disadvantageous
Ashiok, Nightmare Weaver Ashiok, Nightmare Weaver is unable to put a creature with converted mana cost equal to its current loyalty onto the battlefield. Disadvantageous
Mimic Vat Clones such as Phyrexian Metamorph are not granted haste by Mimic Vat. Unclassified
Semblance Anvil [Semblance Anvil] imprinting a split card does not reduce any casting costs. Disadvantageous
Spiritual Visit Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Spiritual Visit Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Evermind Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Evermind Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Shifting Borders Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Shifting Borders Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Into the Fray Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Into the Fray Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Ever After There are known issues with giving flashback to a spell that is put on the bottom of a library as it resolves. Unclassified
Heir of Falkenrath If Heir of Falkenrath's ability is used to transform it into Heir to the Night, then it transforms back into Heir of Falkenrath in the same turn in some way, its activated ability can be used again. Unclassified
Heir of Falkenrath If Heir of Falkenrath's ability is used to transform it into Heir to the Night, then it transforms back into Heir of Falkenrath in the same turn in some way, its activated ability can be used again. Unclassified
Heir of Falkenrath If Heir of Falkenrath's ability is used to transform it into Heir to the Night, then it transforms back into Heir of Falkenrath in the same turn in some way, its activated ability can be used again. Unclassified
Heir of Falkenrath If Heir of Falkenrath's ability is used to transform it into Heir to the Night, then it transforms back into Heir of Falkenrath in the same turn in some way, its activated ability can be used again. Advantageous
Heir of Falkenrath If Heir of Falkenrath's ability is used to transform it into Heir to the Night, then it transforms back into Heir of Falkenrath in the same turn in some way, its activated ability can be used again. Advantageous
Heir of Falkenrath If Heir of Falkenrath's ability is used to transform it into Heir to the Night, then it transforms back into Heir of Falkenrath in the same turn in some way, its activated ability can be used again. Advantageous
Harness the Storm [Harness the Storm] Doesn't trigger when casting split cards. Disadvantageous
Seasons Past There are known issues with giving flashback to a spell that is put on the bottom of a library as it resolves. Unclassified
The Gitrog Monster Non-land permanents that have become lands due to an enchantment, such as Imprisoned in the Moon, do not trigger the third ability of The Gitrog Monster when put into the graveyard Disadvantageous
Mana Reflection Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Grave Betrayal If control of Grave Betrayal or Shirei, Shizo's Caretaker changes between a creature dying and the delayed EOT trigger going on the stack, the new controller gets the creature rather than the player who created the delayed trigger. Disadvantageous
Gore-House Chainwalker Animation Module does not trigger off of cards with unleash such as Gore-House Chainwalker. Disadvantageous
Axebane Guardian Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Mana Bloom Mana Bloom Ability does not generate mana on opponents' turns. Disadvantageous
Mutiny Mutiny doesn't have clear targeting information. Workaround: The game log displays targets matching the order written on the card, and will highlight the appropriate creature when its name is hovered over with the mouse. Graphical
Concerted Effort Some protection abilities granted by Concerted Effort are not shown visually on creatures Graphical
Concerted Effort Some specific protections (Snow or specificially spectra ward) are not counted as protections to be gained or shared Disadvantageous
Terrarion Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Planeswalker's Mirth Ignite Memories and similar cards can cause a game restart if the target has no cards in hand. Game Breaking
Planeswalker's Mischief Ignite Memories and similar cards can cause a game restart if the target has no cards in hand. Game Breaking
Planeswalker's Scorn Ignite Memories and similar cards can cause a game restart if the target has no cards in hand. Game Breaking
Goblin Game Goblin Game reveals your chosen number before your opponents choose. Disadvantageous
Planeswalker's Fury Ignite Memories and similar cards can cause a game restart if the target has no cards in hand. Game Breaking
Planeswalker's Favor Ignite Memories and similar cards can cause a game restart if the target has no cards in hand. Game Breaking
Jodah's Avenger [Jodah's Avenger] Activated ability continues activating infinitely. Game Breaking
Null Profusion Null Profusion triggers when another player casts its owner's cards Advantageous
Volcano Hellion [Volcano Hellion] Damage is capped at 255 Disadvantageous
Fa'adiyah Seer Fa'adiyah Seer and Sindbad's ability won't discard non-land card drawn if there is any dredge card in your graveyard Advantageous
Withdraw Withdraw is able to target the same creature twice. Advantageous
Thornbow Archer Thornbow Archer Incorrectly grants 1 life to opponents that do not control an Elf, rather than causing them to lose 1 life. Disadvantageous
Words of Waste Words of Waste does not function. Non-Functional ability
Lavamancer's Skill [Lavamancer's Skill] the "T: deal 1 damage" ability does not let you choose a target Disadvantageous
Weird Harvest All creatures searched using Weird Harvest's ability will end in the hand of the last priority player Disadvantageous
Cryptic Gateway [Cryptic Gateway] Cannot select a card from your hand Non-Functional ability
Riptide Replicator Riptide Replicator tokens use incorrect art and incorrectly display they have the changeling ability. Graphical
Deceiver of Form If Deceiver of Form's triggered ability turns creatures into copies of a legendary creature, the legend rule fails to apply to the copies. Advantageous
Kozilek's Translator The mana abilities of Wall of Roots and Kozilek's Translator cannot be activated while paying the mana cost of a spell or ability. Players can still activate these abilities at any time that player has priority. Disadvantageous
Reflector Mage The second Reflector Mage played in the same turn will let the first one’s target able to be cast. Disadvantageous
Reflector Mage If a player casts Reflector Mage targeting a creature they own, and then in the following turn their opponent casts Reflector Mage, they are able to immediately recast that creature. Advantageous
Shifty Doppelganger Shifty Doppelganger puts an "ability" onto the battlefield at end of turn, rather than itself. Game Breaking
Liquid Fire [Liquid Fire] doesn't let you choose how to deal damage - it all goes to player Disadvantageous
Death Pit Offering [Death Pit Offering] sacrifices all of its owner’s permanents, not just creatures Disadvantageous
Scythe of the Wretched While [Scythe of the Wretched] is unequipped, it reanimates any creature that happens to die. Advantageous
Thornbite Staff [Thornbite Staff] doesn't display the equip cost line when zoomed in upon. Graphical
High Seas [High Seas] only affects red creature spells. Disadvantageous
Mind Bend Cards that ask you to choose "a basic land type or a color word" only let you choose a basic land type. Disadvantageous
Null Chamber [Null Chamber]'s Controller is asked to name two non-basic lands, rather than each player naming a card that's not a basic land. Advantageous
Knowledge Pool [Knowledge Pool] With multiple Knowledge Pools in play, casting a spell from hand lets you cast a spell from each Pool. Advantageous
Phyrexian Revoker If a card such as Phyrexian Revoker that asks you to name a card is manifested, you are asked to name the card as it enters the battlefield. Unclassified
Yisan, the Wanderer Bard If all of Yisan, the Wanderer Bard's verse counters are removed in response to its ability, you are able to search your library for any creature, regardless of CMC. Advantageous
Mindclaw Shaman You are unable to cast split cards with [Mindclaw Shaman]'s ability. Disadvantageous
Mass Polymorph Mass Polymorph incorrectly does not count exiled commanders when determining how many creature cards to put onto the battlefield. Disadvantageous
Mass Polymorph Synthetic Destiny and Mass Polymorph do not take commanders into account when determining the number of creatures to reveal. Disadvantageous
Cairn Wanderer Some specific protections (Snow or specificially spectra ward) are not counted as protections to be gained or shared Disadvantageous
Gaddock Teeg Gaddock Teeg incorrectly does not allow cards with converted mana cost 4 or greater to be spliced onto other cards. Unclassified
Colfenor's Urn Colfenor's Urn does not trigger when three or more creatures are exiled. Disadvantageous
Howltooth Hollow Shelldock Isle and other hideaway lands from Lorwyn do not allow you to play lands. Disadvantageous
Shelldock Isle Shelldock Isle and other hideaway lands from Lorwyn do not allow you to play lands. Disadvantageous
Headless Horseman Cards that are only common in PRM version can be added to Pauper decks, but you can't join a Pauper match with decks that have those cards Unconfirmed
Taigam's Scheming Some spells that let you look at the top cards of your library and choose multiple cards one-by-one to send to the graveyard will incorrectly display the visual order of the chosen cards in the graveyard. Graphical
Gonti, Lord of Luxury If you cast Savage Stomp with Gonti, Lord of Luxury and your opponent controls a dinosaur, the cost will incorrectly be reduced by 2. Advantageous
Midnight Oil Casting a second Midnight Oil does not reset your hand size limit Disadvantageous
Dubious Challenge Dubious Challenge resets the game when played Game Breaking
Animation Module Animation Module does not trigger off of cards with unleash such as Gore-House Chainwalker. Disadvantageous
Eager Construct Eager Construct doesn't give opponents the option to scry 1 Advantageous
Athreos, God of Passage Athreos, God of Passage does not associate its triggers with specific creatures. Graphical
Runic Repetition Runic Repetition Cannot be cast Disadvantageous
Crystal Spray Cards that ask you to choose "a basic land type or a color word" only let you choose a basic land type. Disadvantageous
Overabundance [Overabundance] can't add colorless mana, therefore keeping players from using lands that only tap for colorless Advantageous
Zur's Weirding Zur's Weirding Reveals but doesn't allow you to pay Disadvantageous
Overwhelming Splendor Creatures with ascend can still grant the City's Blessing with Overwhelming Splendor on the battlefield. Disadvantageous
Sunscourge Champion Sunscourge Champion will cause you to lose life if it has negative power when its trigger resolves. Disadvantageous
Torment of Hailfire The undo function works incorrectly with Torment of Hailfire. Disadvantageous
Abandoned Sarcophagus Abandoned Sarcophagus does not allow you to pay for {X} when casting cycling cards with its ability Disadvantageous
God-Pharaoh's Gift The Scarab God and God-Pharaoh's Gift do not respect 706.9d and replaces characteristic defining abilities when creating copies of creatures. Unclassified
Hollow One Hollow One's cost reduction doesn't consider split cards that are discarded Disadvantageous
Structural Collapse [Structural Collapse] doesn't cause target to sacrifice either an artifact or land. Disadvantageous
Sylvan Primordial Casting Sylvan Primordial causes the game to be soft-locked in a multiplayer game if there are no legal targets for one player. Game Breaking
Barren Glory Barren Glory does not check intervening if clause during resolution Advantageous
Oriss, Samite Guardian Using Oriss, Samite Guardian's Grandeur ability during controller's precombat main phase will not allow controller to attack that turn. Disadvantageous
Cloud Key Cloud Key Players are unable to correctly select a card type Non-Functional ability
Orcish Spy [Orcish Spy] and cards with similar abilities show the cards in alphabetical order, not the actual order Disadvantageous
Mogg Assassin Mogg Assassin doesn't kill the opponent's creature on a won flip and doesn't always let both players select a target Disadvantageous
Glamerdye When you change the color in a card's text, the card won't show the new chosen color in the cards itself, in the tooltip, and not in the zoomed version Graphical
Distended Mindbender When only some cards from an opponent's hand are revealed, they do not appear in the revealed zone Disadvantageous
Contingency Plan Some spells that let you look at the top cards of your library and choose multiple cards one-by-one to send to the graveyard will incorrectly display the visual order of the chosen cards in the graveyard. Graphical
Identity Thief Identity Thief Restarts the game when attempting to copy a creature. Game Breaking
Collected Company Collected Company does not allow you to put fewer than the maximum number of creatures onto the battlefield. Disadvantageous
Shaman of Forgotten Ways Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Screams from Within [Screams from Within]'s second ability (Return ~ to your hand) does not function. Disadvantageous
Death-Mask Duplicant Some specific protections (Snow or specificially spectra ward) are not counted as protections to be gained or shared Disadvantageous
Knight of Grace Creatures with hexproof from color such as Knight of Grace, are incorrectly able to be targeted by a split card of that color. Unclassified
The Mirari Conjecture Doubling Season incorrectly doubles lore counters on sagas such as The Mirari Conjecture placed during the draw step. Unclassified
Altar of the Lost Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Odds // Ends Odds restarts the game in buggy state on heads Game Breaking
Odds // Ends Odds restarts the game in buggy state on heads Game Breaking
Commandeer Commandeer does not gain control of the targeted noncreature spell. Disadvantageous
Vexing Sphinx [Vexing Sphinx]'s Cumulative Upkeep Doesn't Make You Discard Advantageous
Karplusan Minotaur Karplusan Minotaur Cumulative upkeep cannot be paid Disadvantageous
Rimescale Dragon Rimescale Dragon does not place an Ice Counter on targeted creatures. Disadvantageous
Sheltering Ancient [Sheltering Ancient]'s Cumulative Upkeep Stops Working After One Age Counter Advantageous
Sound the Call The art for the token created by [Sound the Call] is incorrect. Graphical
Blessed Breath Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Blessed Breath Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Candles' Glow Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Candles' Glow Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Samurai of the Pale Curtain Samurai of the Pale Curtain does not exile tokens. Disadvantageous
Consuming Vortex Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Consuming Vortex Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Lifted by Clouds Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Lifted by Clouds Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Psychic Puppetry Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Psychic Puppetry Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Reweave Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Reweave Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Hideous Laughter Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Hideous Laughter Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Soulless Revival Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Soulless Revival Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Strange Inversion Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Strange Inversion Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Dosan the Falling Leaf Dosan the Falling Leaf only allows players to cast spells during their opponents' turn Advantageous
Kodama's Might Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Kodama's Might Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Wear Away Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Wear Away Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Genju of the Fields [Genju of the Fields] does not cause you to gain life upon dealing damage Disadvantageous
Hundred-Talon Strike Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Hundred-Talon Strike Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Tomorrow, Azami's Familiar Tomorrow, Azami's Familiar puts both unchosen cards back on top of the library. Disadvantageous
Veil of Secrecy Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Veil of Secrecy Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Goryo's Vengeance Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Goryo's Vengeance Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Shirei, Shizo's Caretaker If control of Grave Betrayal or Shirei, Shizo's Caretaker changes between a creature dying and the delayed EOT trigger going on the stack, the new controller gets the creature rather than the player who created the delayed trigger. Disadvantageous
Overblaze Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Overblaze Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Roar of Jukai Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Roar of Jukai Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Vital Surge Splice onto Arcane abilities are incorrectly affected by cost reduction effects that are supposed to affect spells only if there are two cost-reducting permanents with the same name Advantageous
Vital Surge Splice onto Arcane abilities are incorrectly affected by tax effects that are supposed to affect spells only Advantageous
Floodtide Serpent Insteading of bouncing an enchantment, attacking with Floodtide Serpent shows you all zones. Advantageous
Singe-Mind Ogre Ignite Memories and similar cards can cause a game restart if the target has no cards in hand. Game Breaking
Sages of the Anima [Sages of the Anima] puts the non-creature cards on top of the library instead of the bottom. Disadvantageous
Unscythe, Killer of Kings [Unscythe, Killer of Kings]'s effect procs when unequipped. Advantageous
Godsire The art for the tokens created by [Godsire] is incorrect. Graphical
Prince of Thralls Prince of Thralls asks its owner to pay life instead of the opponent. Advantageous
Cast Out Cards exiled by Cast Out are not placed underneath it Graphical
Gideon of the Trials Gideon of the Trials' emblem fails to prevent the opponent from winning the game via Approach of the Second Sun Disadvantageous
Gideon's Intervention Casting a second copy of Gideon's Intervention causes the first to become become partially non-functional, allowing the named card to deal damage Disadvantageous
As Foretold As Foretold does not apply to cards able to be cast due to Abandoned Sarcophagus. Disadvantageous
Naga Oracle Some spells that let you look at the top cards of your library and choose multiple cards one-by-one to send to the graveyard will incorrectly display the visual order of the chosen cards in the graveyard. Graphical
Vizier of Many Faces Vizier of Many Faces keeps its abilities when an opponent controls Overwhelming Splendor. Advantageous
Vizier of Many Faces When Vizier of Many Faces copies a token creature that was created with embalm, the Vizier will display with no art. Graphical
Combat Celebrant Combat Celebrant does not allow you to exert it when attacking a planeswalker. Disadvantageous
Harsh Mentor Harsh Mentor's triggered ability also affects abilities activated from creatures in the graveyard. Advantageous
Rags // Riches If a commander is chosen for Riches in Rags // Riches, no other opponents need to choose a creature. Disadvantageous
Cut // Ribbons Split cards such as Cut // Ribbons are reported as 3 cards in the chat log. Unclassified
Cut // Ribbons Split cards such as Cut // Ribbons are reported as 3 cards in the chat log. Unclassified
Cascading Cataracts Mana Reflection doesn't double mana produced by mana abilities that provide mana in any combination of colors Disadvantageous
Gideon, Martial Paragon Gideon, Martial Paragon AKH Planeswalker deck has 1 Gideon's Intervention instead of 1 Glory-Bound Initiate. Unclassified

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