Double Major + Twincast + Dualcaster Mage

Double Major

Twincast

Dualcaster Mage

How it works

1. Cast Dualcaster Mage for 1.
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.