Mana Geyser + Reiterate

Mana needed: {7}{R}{R}{R}{R}

R identity

Commander legal

The 2 combo pieces

What must be in place

Your opponents collectively control at least six tapped lands.

How to execute it

  1. Cast Mana Geyser by paying its mana cost
  2. Holding priority, cast Reiterate with buyback by paying {4}{R}{R}, creating a copy of Mana Geyser and returning Reiterate to your hand.
  3. Resolve the copy of Mana Geyser, adding at least six {R}.
  4. Repeat from step 2.

What the combo produces