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
Zoologist 3GCreature — Human Druid {3}{G}, {T}: Reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, put it into your graveyard. 1/2
Dark Confidant 1BCreature — Human Wizard At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. 2/1
Blood Oath 3RInstant Choose a card type. Target opponent reveals their hand. Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way. (Artifact, creature, enchantment, instant, land, planeswalker, sorcery, and tribal are card types.)
Twilight Prophet 2BBCreature — Vampire Cleric Flying Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) At the beginning of your upkeep, if you have the city's blessing, reveal the top card of your library and put it into your hand. Each opponent loses X life and you gain X life, where X is that card's mana value. 2/4
Callous Deceiver 2UCreature — Spirit {1}: Look at the top card of your library. {2}: Reveal the top card of your library. If it's a land card, Callous Deceiver gets +1/+0 and gains flying until end of turn. Activate only once each turn. 1/3
Gaea's Bounty 2GSorcery Search your library for up to two Forest cards, reveal those cards, put them into your hand, then shuffle.
Boggart Harbinger 2BCreature — Goblin Shaman When Boggart Harbinger enters the battlefield, you may search your library for a Goblin card, reveal it, then shuffle and put that card on top. 2/1
Gollum, Scheming Guide 1BLegendary Creature — Halfling Horror Whenever Gollum, Scheming Guide attacks, look at the top two cards of your library, put them back in any order, then choose land or nonland. An opponent guesses whether the top card of your library is the chosen kind. Reveal that card. If they guessed right, remove Gollum from combat. Otherwise, you draw a card and Gollum can't be blocked this turn. 2/1
Lantern of Undersight 1Artifact You draw cards from the bottom of your library instead of the top of your library.
Druidic Satchel 3Artifact {2}, {T}: Reveal the top card of your library. If it's a creature card, create a 1/1 green Saproling creature token. If it's a land card, put that card onto the battlefield under your control. If it's a noncreature, nonland card, you gain 2 life.
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