Biomancer's Familiar + Filigree Sages + Prototype Portal + Seat of the Synod

GU identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Prototype Portal by paying {0} and tapping it, creating a token copy of Seat of the Synod.
  2. Activate the Seat of the Synod token by tapping it, adding {U}.
  3. Activate Filigree Sages by paying {U}, untapping Prototype Portal.
  4. Repeat.

What the combo produces