Ashnod's Altar + Chromatic Orrery + Derevi, Empyrial Tactician

GWU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Tap Chromatic Orrery for 5 {C}.
  2. Activate Derevi to put it into play and untap Chromatic Orrery with its enter the battlefield trigger.
  3. Sacrifice Derevi to Altar.
  4. Repeat.

What the combo produces