Exalted Flamer of Tzeentch + Time Warp

Prerequisites

You have no instants and/or sorceries in your graveyard.

Steps

1. Cast Time Warp by paying {3}{U}{U}.
2. Exalted Flamer of Tzeentch's second ability triggers, dealing 1 damage to each opponent.
3. Resolve Time Warp, causing you to take an extra turn after this one.
4. Move to your extra turn.
5. At the beginning of your upkeep, Exalted Flamer of Tzeentch's first ability triggers, returning Time Warp from your graveyard to your hand.
6. Repeat.