Mortuary, Kobolds of Kher Keep, Bolas's Citadel, and Yahenni, Undying Partisan

Prerequisites

• Mortuary on the battlefield
• Kobolds of Kher Keep on the battlefield
• Bolas's Citadel on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni by sacrificing Kobolds of Kher Keep When Kobolds of Kher Keep dies, Mortuary triggers, putting Kobolds of Kher Keep from your graveyard onto the top of your library
2. Resolve the Yahenni ability
3. Cast Kobolds of Kher Keep 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