Emry, Lurker of the Loch, Thornbite Staff, Altar of Dementia, and Ornithopter

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Thornbite Staff on the battlefield
• Altar of Dementia on the battlefield
• Ornithopter in the graveyard
• Emry does not have summoning sickness

Steps

1. Activate Emry by tapping it, allowing you to cast Ornithopter from your graveyard this turn
2. Cast Ornithopter from your graveyard by paying
3. Activate Altar of Dementia by sacrificing Ornithopter
4. When Ornithopter 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