Junji, the Midnight Sky, Sister Hospitaller, and Yahenni, Undying Partisan

Prerequisites

• Junji, the Midnight Sky on the battlefield
• Sister Hospitaller on the battlefield
• Yahenni, Undying Partisan on the battlefield
• undefined

Steps

1. Activate Yahenni by sacrificing Sister Hospitaller
2. Activate Yahenni by sacrificing Junji
3. When Junji dies, it triggers, returning Sister Hospitaller from your graveyard to the battlefield
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 Yahenni ability from step 2
6. Repeat

Results

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