Donatello, the Brains + Herd Baloth + Thermopod

GUR identity

Commander legal

The 3 combo pieces

How to execute it

  1. Put a +1/+1 counter on Herd Baloth.
  2. Herd Baloth triggers, creating a creature token and a Mutagen token due to Donatello.
  3. Activate Thermopod by sacrificing the creature token, adding {R}.
  4. Activate the Mutagen by paying {1}, tapping and sacrificing it, putting a +1/+1 counter on Herd Baloth.
  5. Repeat from step 2.

What the combo produces