Body Launderer + Karmic Guide + Altar of Dementia

Body Launderer

Karmic Guide

Altar of Dementia

How it works

1. Activate Altar of Dementia by sacrificing Karmic Guide.
2. When Karmic Guide dies, Body Launderer's first ability triggers, causing Body Launderer to connive.
3. Resolve the Altar of Dementia ability.
4. Activate Altar of Dementia by sacrificing Body Launderer.
5. When Body Launderer dies, its second ability triggers, returning Karmic Guide from your graveyard to the battlefield.
6. When Karmic Guide enters, it triggers, returning Body Launderer from your graveyard to the battlefield.
7. Resolve the Altar of Dementia ability.
8. Repeat.