Double Major + Dualcaster Mage + Kalamax, the Stormsire

Mana needed: {1}{G}{U}{R}{R}

GUR identity

Commander legal

The 3 combo pieces

What must be in place

Kalamax is tapped.
You have not cast another instant this turn.

How to execute it

  1. Cast Dualcaster Mage by paying {1}{R}{R}.
  2. Holding priority, cast Double Major targeting Dualcaster Mage by paying {U}{G}.
  3. Kalamax triggers, copying the Double Major, targeting Dualcaster Mage.
  4. Resolve the copied Double Major, resolving a copy of Dualcaster Mage.
  5. The Dualcaster Mage copy enters, copying Double Major, targeting Dualcaster Mage.
  6. Repeat from step 4.

What the combo produces