Altar of Dementia + Bridge from Below + Cult Conscript + Pitiless Plunderer

Altar of Dementia

Bridge from Below

Cult Conscript

Pitiless Plunderer

How it works

1. Activate Altar of Dementia by sacrificing Cult Conscript.
2. When Cult Conscript dies, Pitiless Plunderer and Bridge from Below trigger, creating a creature token and a Treasure token.
3. Resolve the Altar of Dementia ability.
4. Activate Altar of Dementia by sacrificing the creature token.
5. When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token.
6. Resolve the Altar of Dementia ability.
7. Activate the Treasures by tapping and sacrificing them, adding 1.
8. Activate Cult Conscript by paying 1, returning it from your graveyard to the battlefield.
9. Repeat.