Inalla, Archmage Ritualist + Thassa, Deep-Dwelling + Timestream Navigator

Mana needed: {3}{U}{U} each turn

UBR identity

Commander legal

The 3 combo pieces

• Inalla, Archmage Ritualist
• Thassa, Deep-Dwelling
• Timestream Navigator

What must be in place

You have the city's blessing and/or control ten or more permanents.

How to execute it

1. At the beginning of your end step, Thassa triggers, blinking Timestream Navigator.
2. If you don't have the city's blessing, Timestream Navigator's Ascend ability gives you the city's blessing.
3. When Timestream Navigator enters the battlefield, triggering Inalla, causing you to pay {1} to create a token copy of Timestream Navigator with haste.
4. Activate the Timestream Navigator token by paying {2}{U}{U}, tapping it, and putting it on the bottom of your library, causing you to take an extra turn after this one.
5. Repeat each turn.

What the combo produces

• Infinite turns
• Lock