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
Horizon Spellbomb 1Artifact {2}, {T}, Sacrifice Horizon Spellbomb: Search your library for a basic land card, reveal it, put it into your hand, then shuffle. When Horizon Spellbomb is put into a graveyard from the battlefield, you may pay {G}. If you do, draw a card.
Court Hussar 2UCreature — Vedalken Knight Vigilance When Court Hussar enters the battlefield, look at the top three cards of your library, then put one of them into your hand and the rest on the bottom of your library in any order. When Court Hussar enters the battlefield, sacrifice it unless {W} was spent to cast it. 1/3
Piercing Rays 1WSorcery Exile target tapped creature. Forecast — {2}{W}, Reveal Piercing Rays from your hand: Tap target untapped creature. (Activate this ability only during your upkeep and only once each turn.)
Vance's Blasting Cannons 3RLegendary Enchantment At the beginning of your upkeep, exile the top card of your library. If it's a nonland card, you may cast that card this turn. Whenever you cast your third spell in a turn, you may transform Vance's Blasting Cannons.
Hideous Fleshwheeler Creature — Phyrexian Rat Menace (This creature can't be blocked except by two or more creatures.) When this creature transforms into Hideous Fleshwheeler, put target permanent card with mana value 2 or less from a graveyard onto the battlefield under your control. 4/5
Feldon, Ronom Excavator 1RLegendary Creature — Human Artificer Haste Feldon, Ronom Excavator can't block. Whenever Feldon is dealt damage, exile that many cards from the top of your library. Choose one of them. Until the end of your next turn, you may play that card. 2/2
Summoning Trap 4GGInstant — Trap If a creature spell you cast this turn was countered by a spell or ability an opponent controlled, you may pay {0} rather than pay this spell's mana cost. Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in any order.
Gyruda, Doom of Depths 4U/BU/BLegendary Creature — Demon Kraken Companion — Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control. 6/6
Emissary of Grudges 5RCreature — Efreet Flying, haste As Emissary of Grudges enters the battlefield, secretly choose an opponent. Reveal the player you chose: Choose new targets for target spell or ability if it's controlled by the chosen player and if it targets you or a permanent you control. Activate only once. 6/5
Thaumatic Compass 2Artifact {3}, {T}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle. At the beginning of your end step, if you control seven or more lands, transform Thaumatic Compass.
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