Donatello, the Brains + Mutagen Man, Living Ooze + Scurry Oak

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Put a +1/+1 counter on Scurry Oak.
  2. Scurry Oak triggers, creating a creature token and a Mutagen token due to Donatello.
  3. Activate the Mutagen by paying {0} due to Mutagen Man, tapping and sacrificing it, putting a +1/+1 counter on Scurry Oak.
  4. Repeat from step 2.

What the combo produces