Card Codex

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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
Quest for Ula's Temple UEnchantment At the beginning of your upkeep, you may look at the top card of your library. If it's a creature card, you may reveal it and put a quest counter on Quest for Ula's Temple. At the beginning of each end step, if there are three or more quest counters on Quest for Ula's Temple, you may put a Kraken, Leviathan, Octopus, or Serpent creature card from your hand onto the battlefield.
Precognition Field 3UEnchantment You may look at the top card of your library any time. You may cast instant and sorcery spells from the top of your library. {3}: Exile the top card of your library.
Lys Alana Scarblade 2BCreature — Elf Assassin {T}, Discard an Elf card: Target creature gets -X/-X until end of turn, where X is the number of Elves you control. 1/1
Blue Sun's Zenith XUUUInstant Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.
Patch Up 2WSorcery Return up to three target creature cards with total mana value 3 or less from your graveyard to the battlefield.
Shelob, Dread Weaver 3BLegendary Creature — Spider Demon Whenever a nontoken creature an opponent controls dies, exile it. {2}{B}, Put a creature card exiled with Shelob, Dread Weaver into its owner's graveyard: Put two +1/+1 counters on Shelob. Draw a card. {X}{1}{B}: Put target creature card with mana value X exiled with Shelob onto the battlefield tapped under your control. 3/3
Svella, Ice Shaper 1RGLegendary Snow Creature — Troll Warrior {3}, {T}: Create a colorless snow artifact token named Icy Manalith with "{T}: Add one mana of any color." {6}{R}{G}, {T}: Look at the top four cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order. 2/4
Helm of Obedience 4Artifact {X}, {T}: Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.
Accessories to Murder Artifact — Contraption Whenever you crank Accessories to Murder, target creature gets +X/+0 until end of turn, where X is the number of creatures you control.
From Beyond 3GEnchantment Devoid (This card has no color.) At the beginning of your upkeep, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." {1}{G}, Sacrifice From Beyond: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle.
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