Junji, the Midnight Sky, Bloodflow Connoisseur, Zulaport Cutthroat, and Karmic Guide

Prerequisites

• Junji, the Midnight Sky on the battlefield
• Bloodflow Connoisseur on the battlefield
• Zulaport Cutthroat on the battlefield
• Karmic Guide on the battlefield

Steps

1. Activate Bloodflow Connoisseur by sacrificing Karmic Guide
2. When Karmic Guide dies, Zulaport Cutthroat triggers, causing you to gain 1 life and each opponent to lose 1 life
3. Resolve the Bloodflow Connoisseur ability
4. Activate Bloodflow Connoisseur by sacrificing Junji
5. When Junji dies, it and Zulaport Cutthroat trigger
6. Resolve the Zulaport Cutthroat trigger, causing you to gain 1 life and each opponent to lose 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 Bloodflow Connoisseur ability
10. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifeloss
• Infinite +1/+1 counters on Bloodflow Connoisseur