不思議な卵 (モスラの巨大な繭) (Mysterious Egg) (ja)
Creature - Egg
| Power/Toughness:
0 / 2
(CMC 1)
Whenever this creature mutates, put a +1/+1 counter on it.
- [IKO] Ikoria: Lair of Behemoths #385 (C)