Mortuary, Blasting Station, Shield Sphere, and Bolas's Citadel

Prerequisites

• Mortuary on the battlefield
• Blasting Station on the battlefield
• Shield Sphere on the battlefield
• Bolas's Citadel on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Shield Sphere When Shield Sphere dies, Mortuary triggers, putting Shield Sphere from your graveyard onto the top of your library
2. Resolve the Blasting Station ability
3. Cast Shield Sphere from the top of your library by paying 0 life
4. When Shield Sphere enters, Blasting Station triggers, untapping Blasting Station
5. Repeat

Results

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