Michelangelo, Mutant BFF Foil

Legendary Creature — Mutant Ninja Turtle

Each creature you control with a counter on it can't be blocked by more than one creature. Whenever Michelangelo enters or attacks, create a Mutagen token. (It's an artifact with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")