Berta, Wise Extrapolator + Intruder Alarm + Plaguemaw Beast

Mana needed: {1}

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Berta by paying {1} and tapping it, creating a 0/0 Fractal creature token and putting a +1/+1 counter on it.
  2. When the Fractal enters, Intruder Alarm triggers, untapping all creatures.
  3. Activate Plaguemaw Beast by tapping it and sacrificing the Fractal, causing you to proliferate and put a +1/+1 counter on Berta.
  4. Berta triggers, adding {1}.
  5. Repeat.

What the combo produces