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
See the Truth 1USorcery Look at the top three cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order. If this spell was cast from anywhere other than your hand, put each of those cards into your hand instead.
A-Thran Spider 3Artifact Creature — Spider Reach When Thran Spider enters the battlefield, you and target opponent each create a tapped Powerstone token. {7}: Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order. 2/4
Bolas's Citadel 3BBBLegendary Artifact You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.
Triumph of Saint Katherine 4WCreature — Human Warrior Lifelink Praesidium Protectiva — When Triumph of Saint Katherine is put into your graveyard from the battlefield, exile it and the top six cards of your library in a face-down pile. If you do, shuffle that pile and put it back on top of your library. Miracle {1}{W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.) 5/5
Phyrexian Portal 3Artifact {3}: If your library has ten or more cards in it, target opponent looks at the top ten cards of your library and separates them into two face-down piles. Exile one of those piles. Search the other pile for a card, put it into your hand, then shuffle the rest of that pile into your library.
The Biblioplex Land {T}: Add {C}. {2}, {T}: Look at the top card of your library. If it's an instant or sorcery card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard. Activate only if you have exactly zero or seven cards in hand.
King Crab 4UUCreature — Crab {1}{U}, {T}: Put target green creature on top of its owner's library. 4/5
The Huntsman's Redemption 2GEnchantment — Saga (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Create a 3/3 green Beast creature token. II — You may sacrifice a creature. If you do, search your library for a creature or basic land card, reveal it, put it into your hand, then shuffle. III — Up to two target creatures each get +2/+2 and gain trample until end of turn.
Armillary Sphere 2Artifact {2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.
Vengeful Rebirth 4RGSorcery Return target card from your graveyard to your hand. If you return a nonland card to your hand this way, Vengeful Rebirth deals damage equal to that card's mana value to any target. Exile Vengeful Rebirth.
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