Loyal Retainers + Karmic Guide + Blasting Station + Moritte of the Frost

Loyal Retainers

Karmic Guide

Blasting Station

Moritte of the Frost

How it works

1. Activate Loyal Retainers by sacrificing it, returning Moritte of the Frost from your graveyard to the battlefield as a copy of Karmic Guide.
2. When Moritte of the Frost enters the battlefield, it and Blasting Station trigger.
3. Resolve the Moritte of the Frost trigger, returning Loyal Retainers from your graveyard to the battlefield.
4. Resolve the Blasting Station trigger, untapping it.
5. Activate Blasting Station by tapping it and sacrificing Moritte of the Frost.
6. Repeat.