Junji, the Midnight Sky, Sister Hospitaller, and Carrion Feeder

Prerequisites

• Junji, the Midnight Sky on the battlefield
• Sister Hospitaller on the battlefield
• Carrion Feeder on the battlefield

Steps

1. Activate Carrion Feeder by sacrificing Sister Hospitaller
2. Activate Carrion Feeder by sacrificing Junji
3. When Junji dies, it triggers, returning Sister Hospitaller from your graveyard to the battlefield and causing you to lose 2 life
4. When Sister Hospitaller enters the battlefield, it triggers, returning Junji from your graveyard to the battlefield, and causing you to gain 5 life
5. Resolve the Carrion Feeder ability from step 2
6. Repeat

Results

• Infinite +1/+1 counters on Carrion Feeder
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers