Nether Traitor + Kheru Goldkeeper + Umbral Collar Zealot + Garrison Excavator

Nether Traitor

Kheru Goldkeeper

Umbral Collar Zealot

Garrison Excavator

How it works

1. Activate Umbral Collar Zealot by sacrificing Nether Traitor.
2. Activate Umbral Collar Zealot by sacrificing another creature.
3. When the creature dies, Nether Traitor triggers, causing you to pay to return Nether Traitor from your graveyard to the battlefield.
4. Kheru Goldkeeper and Garrison Excavator triggers, creating a Treasure token and a creature token
5. Resolve the Umbral Collar Zealot ability.
6. Activate the Treasure by tapping and sacrificing it, adding .
7. Repeat.

This loop turns Umbral Collar Zealot into a relentless engine by continuously feeding it sacrifices, starting with Nether Traitor and another fodder creature. Every time a creature hits the graveyard, Nether Traitor's own recursion ability triggers, letting you pay a black mana to bring it right back to the battlefield—a transition that counts as a card leaving your graveyard. That exact graveyard departure is the catalyst for Kheru Goldkeeper and Garrison Excavator, which generously reward you by minting a Treasure token and a 2/2 Spirit creature token every single time. Sacrificing that freshly generated Treasure for mana pays the exact {B} needed to loop Nether Traitor indefinitely, while Umbral Collar Zealot's surveil ability lets you smooth out your draws along the way.