Sharuum the Hegemon, Coretapper, Magistrate's Scepter, and Deadeye Navigator

Prerequisites

• Sharuum the Hegemon on the battlefield
• Coretapper on the battlefield
• Magistrate's Scepter on the battlefield
• Deadeye Navigator on the battlefield
• each turn available

Steps

1. Activate Coretapper's first ability by tapping it, putting a charge counter on Magistrate's Scepter
2. Activate Coretapper's second ability by sacrificing it, putting two charge counters on Magistrate's Scepter
3. Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, causing you to take an extra turn after this one
4. Activate Sharuum by paying , blinking it
5. When Sharuum enters the battlefield, it and Deadeye Navigator's soulbond ability trigger
6. Resolve the Sharuum trigger, returning Coretapper from your graveyard to the battlefield
7. Resolve the Deadeye Navigator trigger, repairing it and Sharuum
8. Repeat each turn

Results

• Infinite turns