Erratic Mutation
Planar Chaos (PLC) #41 · Common · Instant
Mana cost: {2}{U}
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.
Illustrated by Zoltan Boros & Gabor Szikszai · Released February 2, 2007
Prices
- Nonfoil: $0.05 USD · €0.07 EUR
- Foil: $0.40 USD · €0.32 EUR
Nonfoil price since August 29, 2026: unchanged at $0.05 USD.
Printings
- Time Spiral Remastered #67 (TSR) · Common · 2021 · $0.10 USD
- Modern Masters #42 (MMA) · Common · 2013 · $0.05 USD
- Planar Chaos #41 (this printing) · Common · 2007 · $0.05 USD
Legality
- Standard: Not legal
- Alchemy: Not legal
- Pioneer: Not legal
- Historic: Not legal
- Modern: Legal
- Brawl: Not legal
- Legacy: Legal
- Timeless: Not legal
- Vintage: Legal
- Pauper: Legal
- Commander: Legal
- Penny: Legal
- Oathbreaker: Legal
- Duel: Legal
Rulings
- 2021-03-19 · wotc — If a card in a player's library has {X} in its mana cost, X is considered to be 0.
- 2021-03-19 · wotc — 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.