Crustacean Commando
1
U
C
Condition
Creature — Crab Mutant Soldier
When this creature enters, create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")
“"Wondering what I've got in the box? Pain, soldier! And lots of it!"
—Herman”