Ashnod's Altar + Berta, Wise Extrapolator + Donatello, the Brains + Ooze Flux

Mana needed: {2}

GU identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate a Mutagen by paying {1}, tapping and sacrificing it, putting a +1/+1 counter on Berta.
  2. Berta triggers, adding {G}.
  3. Activate Ooze Flux by paying {1}{G} and removing a +1/+1 counter from Berta, creating a 1/1 Ooze creature token and a Mutagen token due to Donatello.
  4. Activate Ashnod's Altar by sacrificing the Ooze, adding {C}{C}.
  5. Repeat.

What the combo produces