不稳定性异变 (Unstable Mutation) (zhs)
Enchantment - Aura
(CMC 1)
Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.
- [TSB] Time Spiral Timeshifted #33 (S)