
Description, catalog fields, rules text, and how it plays—in one place.
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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.
Abilities, attacks, weakness & resistance
Other cards from Time Spiral Remastered
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Erratic Mutation (TSR 67, foil) is a blue instant from the Time Spiral Remastered set. It reveals cards from the top of your library until a nonland is revealed and gives the targeted creature +X/-X until end of turn where X equals that nonland's mana value, then places all revealed cards on the bottom of your library in any order. The effect can provide either a boost or a reduction to power depending on the revealed card's mana value, creating high variance and potential late-game interaction with creature combat.
Catalog pricing data as of 9 May 2026, 15:42