Niko, Light of Hope + Timestream Navigator + Y'shtola Rhul

Niko, Light of Hope

Timestream Navigator

Y'shtola Rhul

How it works

1. Activate Niko by paying 2 and tapping it, exiling Timestream Navigator and causing Shards you control to become a copy of Timestream Navigator until the end step.
2. Activate a Shard 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.
3. At the beginning of the next end step, Timestream Navigator is returned from exile to the battlefield. Y'shtola Rhul then triggers, blinking Niko.
4. When Niko enters, it triggers, creating two Shard tokens.
5. Repeat each turn.

This ingenious loop lets you seize infinite turns by turning your very wealth against time itself. Once you've achieved the city's blessing, Niko, Light of Hope can exile Timestream Navigator and temporarily transform your Shard tokens into exact copies of it. Because those Shards inherit Timestream Navigator's activated ability, you can immediately tap and bottom-deck one of them to take an extra turn. When that turn's end step arrives, Timestream Navigator returns from exile, while Y'shtola Rhul dutifully triggers to blink Niko, refreshing your Shards and setting the stage to do it all over again.