Mortuary, Memnite, Bolas's Citadel, and Yahenni, Undying Partisan

Prerequisites

• Mortuary on the battlefield
• Memnite on the battlefield
• Bolas's Citadel on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni by sacrificing Memnite When Memnite dies, Mortuary triggers, putting Memnite from your graveyard onto the top of your library
2. Resolve the Yahenni ability
3. Cast Memnite from the top of your library by paying 0 life
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count