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
The Aether Flues Plane — Iquatana When you planeswalk to The Aether Flues and at the beginning of your upkeep, you may sacrifice a creature. If you do, reveal cards from the top of your library until you reveal a creature card, put that card onto the battlefield, then shuffle all other cards revealed this way into your library. Whenever chaos ensues, you may put a creature card from your hand onto the battlefield.
Norn's Seedcore Plane — New Phyrexia When you planeswalk to Norn's Seedcore, chaos ensues. Whenever chaos ensues, reveal cards from the top of your planar deck until you reveal a plane card. Planeswalk to it, except don't planeswalk away from any plane. Put the rest of the revealed cards on the bottom of your planar deck in any order.
Chromescale Drake 6UUUCreature — Drake Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When Chromescale Drake enters the battlefield, reveal the top three cards of your library. Put all artifact cards revealed this way into your hand and the rest into your graveyard. 3/4
Mirko Vosk, Mind Drinker 3UBLegendary Creature — Vampire Flying Whenever Mirko Vosk, Mind Drinker deals combat damage to a player, that player reveals cards from the top of their library until they reveal four land cards, then puts those cards into their graveyard. 2/4
Tom Bombadil WUBRGLegendary Creature — God Bard As long as there are four or more lore counters among Sagas you control, Tom Bombadil has hexproof and indestructible. Whenever the final chapter ability of a Saga you control resolves, reveal cards from the top of your library until you reveal a Saga card. Put that card onto the battlefield and the rest on the bottom of your library in a random order. This ability triggers only once each turn. 4/4
Valki, God of Lies 1BLegendary Creature — God When Valki enters the battlefield, each opponent reveals their hand. For each opponent, exile a creature card they revealed this way until Valki leaves the battlefield. {X}: Choose a creature card exiled with Valki with mana value X. Valki becomes a copy of that card. 2/1
Hew the Entwood 3RRSorcery Sacrifice any number of lands. Reveal the top X cards of your library, where X is the number of lands sacrificed this way. Choose any number of artifact and/or land cards revealed this way. Put all nonland cards chosen this way onto the battlefield, then put all land cards chosen this way onto the battlefield tapped, then put the rest on the bottom of your library in a random order.
Psychic Battle 3UUEnchantment Whenever a player chooses one or more targets, each player reveals the top card of their library. The player who reveals the card with the highest mana value may change the target or targets. If two or more cards are tied for highest, the target or targets remain unchanged. Changing targets this way doesn't trigger abilities of permanents named Psychic Battle.
Vigean Intuition 3GUInstant Choose a card type, then reveal the top four cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest into your graveyard. (Artifact, creature, enchantment, instant, land, planeswalker, sorcery, and tribal are card types.)
Break Expectations BSorcery Target player reveals all cards with mana value 2 or greater in their hand. You choose a card from among those cards. Exile that card. If a card was exiled this way, that player drafts a card from Break Expectations's spellbook and reveals it.
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