Eloise, Nephalia Sleuth + Jinnie Fay, Jetmir's Second + Umbral Collar Zealot

Eloise, Nephalia Sleuth

Jinnie Fay, Jetmir's Second

Umbral Collar Zealot

How it works

1. Activate Umbral Collar Zealot by sacrificing another creature.
2. When the creature dies, Eloise's first ability triggers, and Eloise's second ability triggers if the creature was a token.
3. Resolve the first Eloise trigger, creating either a 2/2 Cat or a 3/1 Dog creature token due to Jinnie Fay.
4. Resolve the second Eloise trigger, if applicable, causing you to surveil 1.
5. Resolve the Umbral Collar Zealot ability, putting a +1/+1 counter on it.
6. Repeat.

This clever loop transforms Umbral Collar Zealot's sacrifice outlet into a self-sustaining engine by leveraging the passive replacements of Jinnie Fay, Jetmir's Second. Whenever you sacrifice a creature to the Zealot, Jinnie Fay steps in to redirect the resulting creation through Eloise, Nephalia Sleuth, replacing standard Clues with your choice of eager Cats or Dogs. Because those generated tokens immediately fuel future activations, Eloise's death triggers continuously cycle your board while setting up infinite sacrifices and surveils.