Timestream Navigator + Recruiter of the Guard + Roon of the Hidden Realm

Timestream Navigator

Recruiter of the Guard

Roon of the Hidden Realm

How it works

1. Activate Timestream Navigator 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.
2. Blink Recruiter of the Guard using Roon of the Hidden Realm.
3. When Recruiter of the Guard enters, it triggers, searching your library for Timestream Navigator and putting it into your hand.
4. Cast Timestream Navigator by paying 1.
5. Repeat each turn.