Dualcaster Mage, Emiel the Blessed, and Jeska's Will

Prerequisites

• Dualcaster Mage on the battlefield
• Emiel the Blessed on the battlefield
• Jeska's Will in hand
• available

Steps

1. Cast Jeska's Will 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 Jeska's Will
4. Resolve the copy of Jeska's Will, adding at least
5. Repeat from step 2

Results

• Infinite blinking
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite red mana
• Exile your library with the ability to play the exiled cards until end of turn