Isochron Scepter, Pull from Eternity, Backdraft Hellkite, and Karn's Temporal Sundering

Prerequisites

• Isochron Scepter on the battlefield
• Pull from Eternity in exile
• Backdraft Hellkite on the battlefield
• Karn's Temporal Sundering in hand
• Any legendary creature or planeswalker under your control
• available

Steps

1. Cast the extra turn spell and move to your extra turn
2. Activate Isochron Sceptre to cast Pull from Eternity, putting the extra turn spell from exile to your graveyard
3. Attack with Backdraft Hellkite to give your extra turn flashback, then cast it
4. Repeat for infinite turns

Results

• Infinite turns