Timestream Navigator + The Fire Crystal

Timestream Navigator

The Fire Crystal

How it works

1. Activate The Fire Crystal by paying 4 and tapping it, creating a token copy of Timestream Navigator.
2. If you don't have the city's blessing, the Timestream Navigator token will give you the city's blessing.
3. Activate the Timestream Navigator token by paying 2, tapping it and putting it from the battlefield onto the bottom of your library, causing you to take an extra turn after this one.
4. Repeat each turn.