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

All permanents on the battlefield (Niko without summoning sickness on the battlefield).

You control a Shard that doesn't have summoning sickness.

You have the city's blessing.

each turn available

Activate Niko by paying and tapping it, exiling Timestream Navigator and causing Shards you control to become a copy of Timestream Navigator until the end step.

Activate a Shard by paying , tapping it and putting it from the battlefield onto the bottom of your library, causing you to take an extra turn after this one.

At the beginning of the next end step, Timestream Navigator is returned from exile to the battlefield. Y'shtola Rhul then triggers, blinking Niko.

When Niko enters, it triggers, creating two Shard tokens.

Repeat each turn.

Infinite turns

Lock