Izzet Chemister + Helm of the Host + Temporal Manipulation

Prerequisites

• Helm of the Host attached to Izzet Chemister.

Steps

1. 1Cast Temporal Manipulation by paying , causing you to take an extra turn after this one.
2. 2At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Izzet Chemister.
3. 3Activate the Izzet Chemister token's first ability by paying and tapping it, exiling Temporal Manipulation from your graveyard.
4. 4On your next turn, activate the Izzet Chemister token's last ability by paying , tapping it, and sacrificing it, casting the exiled spell without paying its mana cost.
5. 5Resolve that spell, causing you to take an extra turn after this one.
6. 6Repeat from step 2.

Effects

• Infinite turns
• Lock