Admiral Brass, Unsinkable + Cellar Door + Timestream Navigator

Prerequisites

• You have the city's blessing and/or control at least nine permanents.

Steps

1. 1At the beginning of your combat phase, Admiral Brass triggers, returning Timestream Navigator from your graveyard to the battlefield with a finality counter on it, and giving it haste.
2. 2If you don't have the city's blessing, Timestream Navigator gives you the city's blessing.
3. 3Activate Timestream Navigator by paying , tapping it and putting it on the bottom of your library from the battlefield, causing you to take an extra turn after this one.
4. 4Activate Cellar Door by paying and tapping it, searching your library for Timestream Navigator, putting it into your graveyard and creating a 2/2 Zombie creature token.
5. 5Repeat each turn.

Effects

• Infinite turns
• Lock