Mortuary, Crookshank Kobolds, Bolas's Citadel, and Yahenni, Undying Partisan

Prerequisites

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

Steps

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