Emry, Lurker of the Loch, Thornbite Staff, Altar of Dementia, and Shield Sphere

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Thornbite Staff on the battlefield
• Altar of Dementia on the battlefield
• Shield Sphere in the graveyard

Steps

1. Activate Emry by tapping it, allowing you to cast Shield Sphere from your graveyard this turn
2. Cast Shield Sphere from your graveyard by paying
3. Activate Altar of Dementia by sacrificing Shield Sphere
4. When Shield Sphere dies, Emry triggers, untapping Emry
5. Resolve the Altar of Dementia ability
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite mill
• Infinite self-mill
• Infinite storm count