Requires

Brudiclad, Telchor Engineer must be on the battlefield. Timestream Navigator must be on the battlefield. Quasiduplicate must be in hand. You have the city's blessing. Timestream Navigator does not have summoning sickness. Mana needed: on your first turn, with available on each extra turn

Steps

1. Cast Quasiduplicate by paying , creating a token copy of Timestream Navigator.
2. At the beginning of your combat phase, Brudiclad triggers, creating a 2/1 Phyrexian Myr creature token, then choosing to have all tokens you control become copies of the Timestream Navigator token.
3. Activate Timestream Navigator by paying and tapping it and putting it onto the bottom of your library, causing you to take an extra turn after this one.
4. Move to your next turn.
5. Repeat from step 2.

Results