Junji, the Midnight Sky + Phyrexian Altar + Karmic Guide + Venerated Stormsinger

Junji, the Midnight Sky

Phyrexian Altar

Karmic Guide

Venerated Stormsinger

How it works

1. Activate Phyrexian Altar by sacrificing Karmic Guide.
2. When Karmic Guide dies, Venerated Stormsinger triggers, causing you to gain 1 life and each opponent to lose 1 life.
3. Activate Phyrexian Altar by sacrificing Junji.
4. When Junji dies, it and Venerated Stormsinger trigger.
5. Resolve the Venerated Stormsinger trigger, causing you to gain 1 life and each opponent to lose 1 life.
6. Resolve the Junji trigger, returning Karmic Guide from your graveyard to the battlefield and causing you to lose 2 life.
7. When Karmic Guide enters, it triggers, returning Junji from your graveyard to the battlefield.
8. Repeat.