Junji, the Midnight Sky + Grimgrin, Corpse-Born + Karmic Guide + Vengeful Bloodwitch

Junji, the Midnight Sky

Grimgrin, Corpse-Born

Karmic Guide

Vengeful Bloodwitch

How it works

1. Activate Grimgrin by sacrificing Karmic Guide.
2. When Karmic Guide dies, Vengeful Bloodwitch triggers, causing an opponent to lose 1 life and you to gain 1 life.
3. Resolve the Grimgrin ability.
4. Activate Grimgrin by sacrificing Junji.
5. When Junji dies, it and Vengeful Bloodwitch trigger.
6. Resolve the Vengeful Bloodwitch trigger, causing an opponent to lose 1 life and 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 Grimgrin ability.
10. Repeat.