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
Dimir Machinations 2BSorcery Look at the top three cards of target player's library. Exile any number of those cards, then put the rest back in any order. Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
Ecologist's Terrarium 2Artifact When Ecologist's Terrarium enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle. {2}, {T}, Sacrifice Ecologist's Terrarium: Put a +1/+1 counter on target creature. Activate only as a sorcery.
Formless Nurturing 3GSorcery Manifest the top card of your library, then put a +1/+1 counter on it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Infernal Spawn of Infernal Spawn of Evil 8BBCreature — Demon Child Flying, first strike, trample Once each turn, while you're searching your library, you may pay {1}{B}, reveal Infernal Spawn of Infernal Spawn of Evil from your library and say "I'm coming, too!" If you do, Infernal Spawn of Infernal Spawn of Evil deals 2 damage to a player of your choice. 8/8
Undying Beast 3BCreature — Beast When Undying Beast dies, put it on top of its owner's library. 3/2
Preferred Selection 2GGEnchantment At the beginning of your upkeep, look at the top two cards of your library. You may sacrifice Preferred Selection and pay {2}{G}{G}. If you do, put one of those cards into your hand. If you don't, put one of those cards on the bottom of your library.
Scion of Halaster 1BLegendary Enchantment — Background Commander creatures you own have "The first time you would draw a card each turn, instead look at the top two cards of your library. Put one of them into your graveyard and the other back on top of your library. Then draw a card."
Claim BSorcery Return target creature card with mana value 2 or less from your graveyard to the battlefield.
Revival W/BW/BSorcery Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Teferi Akosa of Zhalfir Legendary Planeswalker — Teferi [+1]: Draw two cards. Then discard two cards unless you discard a creature card. [−2]: You get an emblem with "Knights you control get +1/+0 and have ward {1}." [−3]: Tap any number of untapped creatures you control. When you do, shuffle target nonland permanent an opponent controls with mana value X or less into its owner's library, where X is the number of creatures tapped this way. Loyalty 4
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