Card Codex

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17 May 2024: Card library updated.

Erratic Mutation

2U · Instant

Choose target creature. Reveal cards from the top of your library until you reveal a nonland card. That creature gets +X/-X until end of turn, where X is that card's mana value. Put all cards revealed this way on the bottom of your library in any order.

Similar cards

Color identity:
NameManaTypeText
Grow Old Together 1GUInstant Seek two creature cards from among the top ten cards of your library, then shuffle. Creature cards in your hand perpetually get +1/+1.
Ruinous Intrusion 3GInstant Exile target artifact or enchantment. Put X +1/+1 counters on target creature you control, where X is the mana value of the permanent exiled this way.
Pest Control WBSorcery Destroy all nonland permanents with mana value 1 or less. Cycling {2} ({2}, Discard this card: Draw a card.)
Slumbering Tora 3Artifact {2}, Discard a Spirit or Arcane card: Slumbering Tora becomes an X/X Cat artifact creature until end of turn, where X is the discarded card's mana value.
Granulate 2RRSorcery Destroy each nonland artifact with mana value 4 or less.
Errand-Rider of Gondor 2WCreature — Human Soldier When Errand-Rider of Gondor enters the battlefield, draw a card. Then if you don't control a legendary creature, put a card from your hand on the bottom of your library. 3/2
Nexus of Fate 5UUInstant Take an extra turn after this one. If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.
Kenessos, Priest of Thassa 1ULegendary Creature — Merfolk Cleric If you would scry a number of cards, scry that many cards plus one instead. {3}{G/U}: Look at the top card of your library. If it's a Kraken, Leviathan, Octopus, or Serpent creature card, you may put it onto the battlefield. If you don't put the card onto the battlefield, you may put it on the bottom of your library. 1/3
Truth or Consequences 2URSorcery Secret council — Each player secretly votes for truth or consequences, then those votes are revealed. You draw cards equal to the number of truth votes. Then choose an opponent at random. Truth or Consequences deals 3 damage to that player for each consequences vote.
Timesifter 5Artifact At the beginning of each upkeep, each player exiles the top card of their library. The player who exiled the card with the highest mana value takes an extra turn after this one. If two or more players' cards are tied for highest, the tied players repeat this process until the tie is broken.
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