Timestream Navigator + Extravagant Replication

Prerequisites

• You have the city's blessing.

Steps

1. 1During your upkeep, Extravagant Replication triggers, creating a token copy of Timestream Navigator.
2. 2During your next upkeep, Extravagant Replication triggers, creating a token copy of Timestream Navigator.
3. 3Activate the ability of a Timestream Navigator token that did not enter the battlefield this turn by paying , tapping it, and putting it on the bottom of your library, taking an extra turn.
4. 4Repeat from 2.

Effects

• Infinite turns
• Lock