TYPE
Instant

ABILITY
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.

ILLUSTRATOR
Zoltan Boros & Gabor Szikszai

LEGALITIES
Standard Future Historic Timeless Gladiator Pioneer Explorer Modern Legacy Pauper Vintage Penny Commander Oathbreaker Standardbrawl Brawl Alchemy Paupercommander Duel Oldschool Premodern Predh

LANGUAGES
EN

RULINGS

• 2021-03-19 You reveal cards and the creature gets +X/-X all while Erratic Mutation is resolving. Nothing can happen in between, and no player can take actions.
• 2021-03-19 If a card in a player’s library has {X} in its mana cost, X is considered to be 0.