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
You Meet in a Tavern 2GGSorcery Choose one — • Form a Party — Look at the top five cards of your library. You may reveal any number of creature cards from among them and put them into your hand. Put the rest on the bottom of your library in a random order. • Start a Brawl — Creatures you control get +2/+2 until end of turn.
Guiding Spirit 1WUCreature — Angel Spirit Flying {T}: If the top card of target player's graveyard is a creature card, put that card on top of that player's library. 1/2
Grozoth 6UUUCreature — Leviathan Defender (This creature can't attack.) When Grozoth enters the battlefield, you may search your library for any number of cards that have mana value 9, reveal them, put them into your hand, then shuffle. {4}: Grozoth loses defender until end of turn. Transmute {1}{U}{U} ({1}{U}{U}, 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.) 9/9
Steelshaper Apprentice 2WWCreature — Human Soldier {W}, {T}, Return Steelshaper Apprentice to its owner's hand: Search your library for an Equipment card, reveal that card, put it into your hand, then shuffle. 1/3
Brain Maggot 1BEnchantment Creature — Insect When Brain Maggot enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card until Brain Maggot leaves the battlefield. 1/1
Perception Bobblehead 3Artifact — Bobblehead {T}: Add one mana of any color. {3}, {T}: Look at the top X cards of your library, where X is the number of Bobbleheads you control. You may cast a spell with mana value 3 or less from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.
Mausoleum Secrets 1BInstant Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.
Sudden Setback 2UUInstant The owner of target spell or nonland permanent puts it on the top or bottom of their library.
Brazen Upstart RGWCreature — Elf Shaman Vigilance When Brazen Upstart dies, look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. 4/2
Ajani's Influence 2WWSorcery Put two +1/+1 counters on target creature. Look at the top five cards of your library. You may reveal a white card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
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