Umbral Collar Zealot + Magus of the Bridge + Reassembling Skeleton + Pitiless Plunderer

Umbral Collar Zealot

Magus of the Bridge

Reassembling Skeleton

Pitiless Plunderer

How it works

1. Activate Umbral Collar Zealot by sacrificing Reassembling Skeleton.
2. When Reassembling Skeleton dies, Pitiless Plunderer and Magus of the Bridge 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 Reassembling Skeleton by paying 1, returning it from your graveyard to the battlefield.
9. Repeat.