Animation Module + Crystalline Crawler + Donatello, the Brains + Mutagen Man, Living Ooze

GU identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate a Mutagen by paying {0} due to Mutagen Man, tapping and sacrificing it, putting a +1/+1 counter on Crystalline Crawler.
  2. Animation Module triggers. Holding priority, activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {1}.
  3. Resolve the Animation Module trigger, causing you to pay {1} to create a 1/1 Servo artifact creature token and a Mutagen token.
  4. Repeat.

What the combo produces