Berta, Wise Extrapolator + Intruder Alarm + Rosie Cotton of South Lane

Mana needed: {1}

GWU 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 then putting a +1/+1 counter on the Fractal.
  2. Rosie Cotton and Intruder Alarm trigger.
  3. Resolve the Intruder Alarm trigger, untapping all creatures.
  4. Resolve the Rosie Cotton trigger, putting a +1/+1 counter on Berta.
  5. Berta triggers, adding {1}.
  6. Repeat.

What the combo produces