Mortuary, Bolas's Citadel, Viscera Seer, and Bontu's Monument

Prerequisites

• Mortuary on the battlefield
• Bolas's Citadel on the battlefield
• Viscera Seer on the battlefield
• Bontu's Monument on the battlefield
• Your life total is at least 2

Steps

1. Activate Viscera Seer by sacrificing itself
2. When Viscera Seer dies, Mortuary triggers, putting Viscera Seer on top of your library from your graveyard
3. Resolve the Viscera Seer ability, causing you to scry 1, ensuring to leave Viscera Seer on top of your library
4. Cast Viscera Seer from the top of your library by paying 1 life
5. Bontu's Monument triggers, causing you to gain 1 life and each opponent to lose 1 life
6. Repeat

Results

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