Requires

Dualcaster Mage must be on the battlefield. Emiel the Blessed must be on the battlefield. Rousing Refrain must be in hand. An opponent has at least four cards in their hand. Mana needed:

Steps

1. Cast Rousing Refrain by paying , targeting an opponent with at least four cards in their hand.
2. Holding priority, activate Emiel by paying , blinking Dualcaster Mage.
3. Dualcaster Mage enters the battlefield, copying Rousing Refrain.
4. Resolve the copy of Rousing Refrain, adding at least .
5. Repeat from step 2.

Results