Double Major + Dualcaster Mage + Twincast

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

GUR identity

Commander legal

The 3 combo pieces

• Double Major
• Dualcaster Mage
• Twincast

How to execute it

1. Cast Dualcaster Mage for {1}{R}{R}.
2. Holding priority, cast Double Major targeting Dualcaster Mage.
3. Holding priority, cast Twincast, copying Double Major, targeting Dualcaster.
4. Let the copied Double Major resolve, creating a token copy of Dualcaster Mage.
5. Dualcaster Mage enters the battlefield, copying Double Major, targeting Dualcaster Mage.
6. Repeat from Step 4.

What the combo produces

• Infinite creature tokens
• Infinite ETB