Narset's Reversal + Isochron Scepter + Chance for Glory + Sundial of the Infinite

Narset's Reversal

Isochron Scepter

Chance for Glory

Sundial of the Infinite

How it works

1. Cast Chance for Glory.
2. Holding priority, cast Narset's Reversal, copying Chance for Glory and returning Chance for Glory to your hand.
3. Move to your extra turn.
4. Repeat steps 1 and 2.
5. At the beginning of your end step, Chance for Glory's lose the game trigger goes onto the stack.
6. Holding priority, tap Sundial of the Infinite, ending the turn and exiling the trigger.
7. Repeat steps 3-6.