Umbral Collar Zealot + Bridge from Below + Cult Conscript + Pitiless Plunderer

Umbral Collar Zealot

Bridge from Below

Cult Conscript

Pitiless Plunderer

How it works

1. Activate Umbral Collar Zealot 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 Umbral Collar Zealot ability.
4. Activate Umbral Collar Zealot by sacrificing the creature token.
5. When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token.
6. Resolve the Umbral Collar Zealot 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.