Ensoul Artifact + Prototype Portal + Retreat to Coralhelm + Seat of the Synod

U identity

Commander legal

The 4 combo pieces

What must be in place

Ensoul Artifact attached to Prototype Portal.
Prototype Portal does not have summoning sickness.

How to execute it

  1. Activate Prototype Portal by tapping it, creating a token copy of Seat of the Synod.
  2. When the Seat of the Synod token enters the battlefield, Retreat to Coralhelm triggers, untapping Prototype Portal.
  3. Repeat.

What the combo produces