Preston, the Vanisher + Blasting Station + Karmic Guide + Chord of Calling

Preston, the Vanisher

Blasting Station

Karmic Guide

Chord of Calling

How it works

1. Cast Chord of Calling by paying at most 5, searching your library for Karmic Guide and putting it onto the battlefield.
2. When Karmic Guide enters, it, Blasting Station and Preston trigger.
3. Resolve the Blasting Station trigger, untapping it
4. Resolve the Karmic Guide trigger, returning an applicable target from your graveyard to the battlefield.
5. If you returned a creature in step 4, Blasting Station triggers, untapping Blasting Station.
6. Holding priority, activate Blasting Station by tapping it and sacrificing Karmic Guide.
7. Resolve the Preston trigger, creating a token copy of Karmic Guide that is a 0/1 Illusion.
8. When the Karmic Guide token enters, it and Blasting Station trigger.
9. Resolve the Blasting Station trigger, untapping it
10. Resolve the Karmic Guide token's trigger, returning Karmic Guide from your graveyard to the battlefield.
11. Repeat from step 2.