Body Launderer + Karmic Guide + Carrion Feeder

Body Launderer

Karmic Guide

Carrion Feeder

How it works

1. Activate Carrion Feeder by sacrificing Karmic Guide.
2. When Karmic Guide dies, Body Launderer's first ability triggers, causing Body Launderer to connive.
3. Resolve the Carrion Feeder ability.
4. Activate Carrion Feeder 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 Carrion Feeder ability.
8. Repeat.