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
Spoils of the Vault BInstant Choose a card name. Reveal cards from the top of your library until you reveal a card with that name, then put that card into your hand. Exile all other cards revealed this way, and you lose 1 life for each of the exiled cards.
Selvala, Explorer Returned 1GWLegendary Creature — Elf Scout Parley — {T}: Each player reveals the top card of their library. For each nonland card revealed this way, add {G} and you gain 1 life. Then each player draws a card. 2/4
Fall BRSorcery Target player reveals two cards at random from their hand, then discards each nonland card revealed this way.
Glint Raker 3UCreature — Drake Flying Glint Raker gets +X/+0, where X is the highest mana value among artifacts you control. Whenever Glint Raker deals combat damage to a player, you may reveal that many cards from the top of your library. Put an artifact card revealed this way into your hand and the rest into your graveyard. 1/3
Stomping Slabs 2RSorcery Reveal the top seven cards of your library, then put those cards on the bottom of your library in any order. If a card named Stomping Slabs was revealed this way, Stomping Slabs deals 7 damage to any target.
Runo Stromkirk 1UBLegendary Creature — Vampire Cleric Flying When Runo Stromkirk enters the battlefield, put up to one target creature card from your graveyard on top of your library. At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If a creature card with mana value 6 or greater is revealed this way, transform Runo Stromkirk. 1/4
The Fourteenth Doctor R/GWULegendary Creature — Time Lord Doctor When you cast this spell, reveal the top fourteen cards of your library. Put all Doctor cards revealed this way into your graveyard and the rest on the bottom of your library in a random order. You may have The Fourteenth Doctor enter the battlefield as a copy of a Doctor card in your graveyard that was put there from your library this turn. If you do, it gains haste until end of turn. 3/4
Songbirds' Blessing 3WEnchantment — Aura Enchant creature Whenever enchanted creature attacks, reveal cards from the top of your library until you reveal an Aura card. You may put that card onto the battlefield. If you don't, put it into your hand. Put the rest on the bottom of your library in a random order.
M'Odo, the Gnarled Oracle BUGLegendary Creature — Zombie Elf Wizard Eminence — {X}, Discard a card: Target player reveals cards from the top of their library until they reveal a creature card with converted mana cost X or less. Put that card onto the battlefield under your control, then that player shuffles the rest into their library. Activate this ability only if M'Odo, the Gnarled Oracle is on the battlefield or in the command zone. 0/3
Counterbalance UUEnchantment Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.
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