Umbral Collar Zealot + Reassembling Skeleton + Pitiless Plunderer + Rat King, Pale Piper

Umbral Collar Zealot

Reassembling Skeleton

Pitiless Plunderer

Rat King, Pale Piper

How it works

1. Activate Umbral Collar Zealot by sacrificing Reassembling Skeleton.
2. When Reassembling Skeleton dies, Pitiless Plunderer and Rat King 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.