Mortuary, Bolas's Citadel, Wild Cantor, and Susurian Voidborn

Prerequisites

• Mortuary on the battlefield
• Bolas's Citadel on the battlefield
• Wild Cantor on the battlefield
• Susurian Voidborn on the battlefield

Steps

1. Activate Wild Cantor by sacrificing it
2. When Wild Cantor dies, Mortuary and Susurian Voidborn trigger
3. Resolve the Mortuary trigger, putting Wild Cantor from your graveyard onto the top of your library
4. Resolve the Susurian Voidborn trigger, causing you to gain 1 life and target opponent to lose 1 life
5. Cast Wild Cantor from the top of your library by paying 1 life
6. Repeat

Results

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