Niko by paying ({2} magic symbol) 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 ({2} magic symbol) ({U} magic symbol) ({U} magic symbol) , tapping it and putting it from the battlefield onto the bottom of your library, causing you to take an extra turn after this one.
Declare
The Neutrinos as an attacker. It triggers, blinking
Niko.
When
Niko enters, it triggers, creating two Shard tokens.
At the beginning of the next end step,
Timestream Navigator is returned from exile to the battlefield.