Donatello, the Brains + Summoning Station + Umbral Collar Zealot

UB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Summoning Station by tapping it, creating a 2/2 Pincher creature token and a Mutagen token due to Donatello.
  2. Activate Umbral Collar Zealot by sacrificing the Mutagen.
  3. Summoning Station triggers, untapping itself.
  4. Resolve the Umbral Collar Zealot ability.
  5. Repeat.

What the combo produces