Early Harvest + Rootha, Mercurial Artist + Vivien, Champion of the Wilds

Mana needed: {G}{G}

GUR identity

Commander legal

The 3 combo pieces

What must be in place

You control a basic Mountain, a basic Island and at least three other basic lands.

How to execute it

  1. Activate any number of basic lands by tapping them, adding at least {3}{U}{R}.
  2. Cast Early Harvest by paying {1}{G}{G}.
  3. Holding priority, activate Rootha by paying {2} and returning it from the battlefield to your hand, copying Early Harvest
  4. Resolve the Early Harvest copy, untapping all basic lands you control.
  5. Activate any number of basic lands by tapping them, adding at least {3}{U}{R}.
  6. Cast Rootha by paying {1}{U}{R}.
  7. Repeat from step 3.

What the combo produces