Primordial Mist + Shifting Wall + Yedora, Grave Gardener

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Shifting Wall for {X} = 0.
  2. Shifting Wall dies to having zero toughness.
  3. Yedora triggers, returning it to the battlefield face-down as a Forest land.
  4. Tap that Forest for {G}.
  5. Activate Primordial Mist by exiling the face-down Shifting Wall, and allowing you to cast it this turn.
  6. Repeat.

What the combo produces