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
Dubious Challenge 3GSorcery Look at the top ten cards of your library, exile up to two creature cards from among them, then shuffle. Target opponent may choose one of the exiled cards and put it onto the battlefield under their control. Put the rest onto the battlefield under your control.
Search for Survivors 2RSorcery Reorder your graveyard at random. An opponent chooses a card at random in your graveyard. If it's a creature card, put it onto the battlefield. Otherwise, exile it.
Plasm Capture GGUUInstant Counter target spell. At the beginning of your next precombat main phase, add X mana in any combination of colors, where X is that spell's mana value.
Metathran Aerostat 2UUCreature — Metathran Flying {X}{U}: You may put a creature card with mana value X from your hand onto the battlefield. If you do, return Metathran Aerostat to its owner's hand. 2/2
Whimsy XUUSorcery Play X random fast effects.
Watcher of the Roost 2WCreature — Bird Soldier Flying Morph—Reveal a white card in your hand. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Watcher of the Roost is turned face up, you gain 2 life. 2/1
Sigardian Savior 3WWCreature — Angel Flying When Sigardian Savior enters the battlefield, if you cast it, return up to two target creature cards with mana value 2 or less from your graveyard to the battlefield. 3/3
Defiant Vanguard 2WCreature — Human Rebel When Defiant Vanguard blocks, at end of combat, destroy it and all creatures it blocked this turn. {5}, {T}: Search your library for a Rebel permanent card with mana value 4 or less, put it onto the battlefield, then shuffle. 2/2
Disdainful Stroke 1UInstant Counter target spell with mana value 4 or greater.
Seer's Vision 2UBEnchantment Your opponents play with their hands revealed. Sacrifice Seer's Vision: Look at target player's hand and choose a card from it. That player discards that card. Activate only as a sorcery.
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