Junji, the Midnight Sky + Umbral Collar Zealot + Karmic Guide + Syr Vondam, Sunstar Exemplar

Junji, the Midnight Sky

Umbral Collar Zealot

Karmic Guide

Syr Vondam, Sunstar Exemplar

How it works

1. Activate Umbral Collar Zealot by sacrificing Karmic Guide.
2. When Karmic Guide dies, Syr Vondam triggers, putting a +1/+1 counter on it and causing you to gain 1 life.
3. Resolve the Umbral Collar Zealot ability.
4. Activate Umbral Collar Zealot by sacrificing Junji.
5. When Junji dies, it and Syr Vondam trigger.
6. Resolve the Syr Vondam trigger, putting a +1/+1 counter on it and causing you to gain 1 life.
7. Resolve the Junji trigger, returning Karmic Guide from your graveyard to the battlefield and causing you to lose 2 life.
8. When Karmic Guide enters, it triggers, returning Junji from your graveyard to the battlefield.
9. Resolve the Umbral Collar Zealot ability.
10. Repeat.