Chromatic Orrery + Master Transmuter + Retreat to Coralhelm + Toph, the First Metalbender

RGWU identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Chromatic Orrery by tapping it, adding {C}{C}{C}{C}{C}
  2. Activate Master Transmuter by paying {1}, tapping it and returning Chromatic Orrery from the battlefield to your hand, putting Chromatic Orrery onto the battlefield.
  3. When Chromatic Orrery enters, Retreat to Coralhelm triggers, as Chromatic Orrery is a land due to Toph, untapping Master Transmuter.
  4. Repeat.

What the combo produces