Kitchen Finks + Umbral Collar Zealot + Hardened Academic

Kitchen Finks

Umbral Collar Zealot

Hardened Academic

How it works

1. Activate Umbral Collar Zealot by sacrificing Kitchen Finks.
2. When Kitchen Finks dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Hardened Academic and Kitchen Finks trigger.
4. Resolve the Hardened Academic trigger, putting a +1/+1 counter on Kitchen Finks.
5. Resolve the Kitchen Finks trigger, causing you to gain 2 life
6. Resolve the Umbral Collar Zealot ability
7. Repeat.