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
Kruphix's Insight 2GSorcery Reveal the top six cards of your library. Put up to three enchantment cards from among them into your hand and the rest of the revealed cards into your graveyard.
Thunderous Debut 6GGSorcery Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Look at the top twenty cards of your library. You may reveal up to two creature cards from among them. If this spell was bargained, put the revealed cards onto the battlefield. Otherwise, put the revealed cards into your hand. Then shuffle.
Cerebral Eruption 2RRSorcery Target opponent reveals the top card of their library. Cerebral Eruption deals damage equal to the revealed card's mana value to that player and each creature that player controls. If a land card is revealed this way, return Cerebral Eruption to its owner's hand.
Pools of Becoming Plane — Bolas's Meditation Realm At the beginning of your end step, put the cards in your hand on the bottom of your library in any order, then draw that many cards. Whenever chaos ensues, reveal the top three cards of your planar deck. Each of the revealed cards' {CHAOS} abilities triggers. Then put the revealed cards on the bottom of your planar deck in any order.
Keen Duelist 1BCreature — Human Wizard At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand. 2/2
Sylvan Messenger 3GCreature — Elf Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) When Sylvan Messenger enters the battlefield, reveal the top four cards of your library. Put all Elf cards revealed this way into your hand and the rest on the bottom of your library in any order. 2/2
Friendly Fire 3RInstant Target creature's controller reveals a card at random from their hand. Friendly Fire deals damage to that creature and that player equal to the revealed card's mana value.
Clear the Land 2GSorcery Each player reveals the top five cards of their library, puts all land cards revealed this way onto the battlefield tapped, and exiles the rest.
Kethek, Crucible Goliath 2BRLegendary Creature — Phyrexian Beast At the beginning of your end step, you may sacrifice another creature. If you do, reveal cards from the top of your library until you reveal a nonlegendary creature card with lesser mana value, put it onto the battlefield, then put the rest on the bottom of your library in a random order. 4/4
Beast Hunt 3GSorcery Reveal the top three cards of your library. Put all creature cards revealed this way into your hand and the rest into your graveyard.
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