Sanctum of Eternity + Zacama, Primal Calamity

RGW identity

Commander legal

The 2 combo pieces

What must be in place

Lands you control other than Sanctum of Eternity can tap to produce at least {9}{R}{G}{W}.

How to execute it

  1. Activate all mana producing lands you control besides Sanctum of Eternity by tapping them, adding at least {9}{R}{G}{W}.
  2. Activate Sanctum of Eternity by paying {2} and tapping it, returning Zacama from the battlefield to your hand.
  3. Cast Zacama by paying {6}{R}{G}{W}.
  4. Zacama triggers, untapping all lands you control.
  5. Repeat.

What the combo produces