Sidisi, Regent of the Mire + Karmic Guide + Blasting Station + Breaching Hippocamp

Sidisi, Regent of the Mire

Karmic Guide

Blasting Station

Breaching Hippocamp

How it works

1. Activate Sidisi by tapping it and sacrificing Breaching Hippocamp, returning Karmic Guide from your graveyard to the battlefield.
2. When Karmic Guide enters the battlefield, it and Blasting Station trigger.
3. Resolve the Blasting Station trigger, untapping it.
4. Resolve the Karmic Guide trigger, returning Breaching Hippocamp from your graveyard to the battlefield.
5. When Breaching Hippocamp enters the battlefield, it and Blasting Station trigger.
6. Resolve the Breaching Hippocamp trigger, untapping Sidisi.
7. Resolve the Blasting Station trigger, untapping it.
8. Activate Blasting Station by tapping it and sacrificing Karmic Guide.
9. Repeat.