Berta, Wise Extrapolator + Shrieking Drake + Three Tree Scribe

Mana needed: {U}

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Shrieking Drake by paying {U}.
  2. When Shrieking Drake enters, it triggers, returning itself from the battlefield to your hand.
  3. Three Tree Scribe triggers, putting a +1/+1 counter on Berta.
  4. Berta triggers, adding {U}.
  5. Repeat.

What the combo produces