Brotherhood Outcast + Altar of Dementia + Shade's Form

Brotherhood Outcast

Altar of Dementia

Shade's Form

How it works

1. Activate Altar of Dementia by sacrificing Brotherhood Outcast.
2. When Brotherhood Outcast dies, Shade's Form triggers, returning Brotherhood Outcast from your graveyard to the battlefield.
3. When Brotherhood Outcast enters the battlefield, it triggers, returning Shade's Form from your graveyard to the battlefield attached to Brotherhood Outcast.
4. Resolve the Altar of Dementia ability.
5. Repeat.