Maralen of the Mornsong + Timestream Navigator + Temur Ascendancy

Prerequisites

• You are able to gain at least 3 life per turn.
• Your life total is 4 or greater.
• You have the city's blessing or control at least nine permanents.

Steps

1. 1At the beginning of your upkeep, Maralen triggers, causing you to lose 3 life and search your library for Timestream Navigator and put it into your hand.
2. 2Cast Timestream Navigator by paying .
3. 3If you don't have the city's blessing, Timestream Navigator gives you the city's blessing.
4. 4Activate Timestream Navigator by paying , tapping and putting it on the bottom of your library, causing you to take an extra turn after this one.
5. 5Gain at least 3 life.
6. 6Repeat each turn.

Effects

• Infinite turns
• Lock
• Players can't draw cards
• Skip your draw steps