Isochron Scepter + Pull from Eternity + Backdraft Hellkite + Part the Waterveil

Isochron Scepter

Pull from Eternity

Backdraft Hellkite

Part the Waterveil

How it works

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.

By utilizing Isochron Scepter to repeatedly cast Pull from Eternity, you constantly rescue your exiled spells from oblivion and drop them directly into your graveyard. From there, Backdraft Hellkite steps in with its fiery attack trigger, granting those spells flashback so you can pay their mana costs to play them again. This creates a relentless loop with Part the Waterveil, letting you endlessly chain extra turns until your opponents are completely locked out of the game.