Junji, the Midnight Sky, Sister Hospitaller, and Thermopod

Prerequisites

• Junji, the Midnight Sky on the battlefield
• Sister Hospitaller on the battlefield
• Thermopod on the battlefield

Steps

1. Activate Thermopod by sacrificing Sister Hospitaller, adding
2. Activate Thermopod by sacrificing Junji, adding
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. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite red mana