Junji, the Midnight Sky, Bloodflow Connoisseur, Cauldron of Essence, and Karmic Guide

Prerequisites

• Junji, the Midnight Sky on the battlefield
• Bloodflow Connoisseur on the battlefield
• Cauldron of Essence on the battlefield
• Karmic Guide on the battlefield

Steps

1. Activate Bloodflow Connoisseur by sacrificing Karmic Guide
2. When Karmic Guide dies, Cauldron of Essence 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 Cauldron of Essence trigger
6. Resolve the Cauldron of Essence 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 +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite lifeloss
• Infinite sacrifice triggers