Timestream Navigator, and Extravagant Replication

Prerequisites

• Timestream Navigator on the battlefield
• Extravagant Replication on the battlefield
• You have the city's blessing
• available

Steps

1. During your upkeep, Extravagant Replication triggers, creating a token copy of Timestream Navigator
2. During your next upkeep, Extravagant Replication triggers, creating a token copy of Timestream Navigator
3. Activate 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. Repeat from 2

Results

• Infinite turns