Double Major, Kalamax, the Stormsire, and Dualcaster Mage

Prerequisites

• Double Major in hand
• Kalamax, the Stormsire on the battlefield
• Dualcaster Mage in hand
• Kalamax is tapped
• You have not cast another instant this turn
• available

Steps

1. Cast Dualcaster Mage by paying
2. Holding priority, cast Double Major targeting Dualcaster Mage by paying
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

Results

• Infinite creature tokens
• Infinite ETB