Erratic Mutation {2}{U}
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.
Prints (20)
| Set | # | Rarity | Finishes | USD | Foil USD |
|---|---|---|---|---|---|
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | — | — |
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | — | — |
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | — | — |
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | — | — |
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | $0.07 | $0.33 |
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | — | — |
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | — | — |
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | — | — |
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | — | — |
| Time Spiral Remastered (TSR) | 67 | common | nonfoil, foil | — | — |
| Modern Masters (MMA) | 42 | common | nonfoil, foil | $0.03 | $0.20 |
| Planar Chaos (PLC) | 41 | common | nonfoil, foil | — | — |
| Planar Chaos (PLC) | 41 | common | nonfoil, foil | — | — |
| Planar Chaos (PLC) | 41 | common | nonfoil, foil | — | — |
| Planar Chaos (PLC) | 41 | common | nonfoil, foil | — | — |
| Planar Chaos (PLC) | 41 | common | nonfoil, foil | — | — |
| Planar Chaos (PLC) | 41 | common | nonfoil, foil | — | — |
| Planar Chaos (PLC) | 41 | common | nonfoil, foil | — | — |
| Planar Chaos (PLC) | 41 | common | nonfoil, foil | $0.04 | $0.27 |
| Planar Chaos (PLC) | 41 | common | nonfoil, foil | — | — |
Rulings
- 2021-03-19 If a card in a player's library has {X} in its mana cost, X is considered to be 0.
- 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.