Card Codex

M:tG card similarity search

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
Battle at the Bridge XBSorcery Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Target creature gets -X/-X until end of turn. You gain X life.
Ancestral Memories 2UUUSorcery Look at the top seven cards of your library. Put two of them into your hand and the rest into your graveyard.
Deepfire Elemental 4BRCreature — Elemental {X}{X}{1}: Destroy target artifact or creature with mana value X. 4/4
Chthonian Nightmare 1BEnchantment When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Nightmare to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.
Silumgar's Scorn UUInstant As an additional cost to cast this spell, you may reveal a Dragon card from your hand. Counter target spell unless its controller pays {1}. If you revealed a Dragon card or controlled a Dragon as you cast this spell, counter that spell instead.
Jamie McCrimmon 2GLegendary Creature — Human Warrior Trample Whenever you cast a historic spell, Jamie McCrimmon gets +X/+X until end of turn, where X is that spell's mana value. (Artifacts, legendaries, and Sagas are historic.) Doctor's companion (You can have two commanders if the other is the Doctor.) 2/2
Prismatic Ending XWSorcery Converge — Exile target nonland permanent if its mana value is less than or equal to the number of colors of mana spent to cast this spell.
Wolf-Skull Shaman 1GCreature — Elf Shaman Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Wolf-Skull Shaman, you may reveal it. If you do, create a 2/2 green Wolf creature token. 2/2
Wirewood Pride GInstant Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.
Hide RWInstant Put target artifact or enchantment on the bottom of its owner's library.
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