Mortuary, Bolas's Citadel, Panicked Bystander // Cackling Culprit, and Spore Frog

Prerequisites

• Mortuary on the battlefield
• Bolas's Citadel on the battlefield
• Panicked Bystander // Cackling Culprit on the battlefield
• Spore Frog on the battlefield

Steps

1. Activate Spore Frog by sacrificing it
2. When Spore Frog dies, Mortuary and Panicked Bystander // Cackling Culprit trigger
3. Resolve the Mortuary trigger, putting Spore Frog from your graveyard onto the top of your library
4. Resolve the Panicked Bystander // Cackling Culprit trigger, causing you to gain 1 life Resolve the Spore Frog ability
5. Cast Spore Frog from the top of your library by paying 1 life
6. Repeat

Results

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