Fiend Artisan + Squee, the Immortal + Timestream Navigator

Mana needed: {5}{U}{U}{B/G}{R}{R} each turn

UBRG identity

Commander legal

The 3 combo pieces

• Fiend Artisan
• Squee, the Immortal
• Timestream Navigator

What must be in place

You have the city's blessing.
Timestream Navigator and Fiend Artisan do not have summoning sickness.

How to execute it

1. Activate Timestream Navigator by paying {2}{U}{U}, tapping it and putting it on the bottom of your library from the battlefield, causing you to take an extra turn after this one.
2. Activate Fiend Artisan by paying {2}{B/G} and sacrificing Squee, causing you to search your library for Timestream Navigator and put it onto the battlefield.
3. Cast Squee from your graveyard by paying {1}{R}{R}.
4. Repeat each turn.

What the combo produces

• Infinite turns
• Lock