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
Lonis, Cryptozoologist GULegendary Creature — Snake Elf Scout Whenever another nontoken creature enters the battlefield under your control, investigate. {T}, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order. 1/2
Guess Your Fate Artifact — Attraction Visit — Look at the bottom of your library, then give a person outside the game a one-word clue not on that card. They guess a word. If their guess appears in that card's name, claim the prize! Prize — Reveal the card, put it into your hand, then sacrifice Guess Your Fate and open an Attraction.
Majestic Genesis 6GGSorcery Reveal the top X cards of your library, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. You may put any number of permanent cards from among them onto the battlefield. Put the rest on the bottom of your library in a random order.
Temporal Aperture 2Artifact {5}, {T}: Shuffle your library, then reveal the top card. Until end of turn, for as long as that card remains on top of your library, play with the top card of your library revealed and you may play that card without paying its mana cost. (If it has X in its mana cost, X is 0.)
Hatchery Spider 5GGCreature — Spider Reach Undergrowth — When you cast this spell, reveal the top X cards of your library, where X is the number of creature cards in your graveyard. You may put a green permanent card with mana value X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order. 5/7
Yet Another Aether Vortex 3RREnchantment All creatures have haste. Players play with the top card of their libraries revealed. Noninstant, nonsorcery cards on top of a library are on the battlefield under their owner's control in addition to being in that library.
Field of Dreams UWorld Enchantment Players play with the top card of their libraries revealed.
Ignite Memories 4RSorcery Target player reveals a card at random from their hand. Ignite Memories deals damage to that player equal to that card's mana value. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
Riddle of Lightning 3RRInstant Choose any target. Scry 3, then reveal the top card of your library. Riddle of Lightning deals damage equal to that card's mana value to that permanent or player.
Lead the Stampede 2GSorcery Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.
Page 22