Emry, Lurker of the Loch, Thornbite Staff, Umbral Collar Zealot, and Ornithopter

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Thornbite Staff on the battlefield
• Umbral Collar Zealot on the battlefield
• Ornithopter in the graveyard

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 Umbral Collar Zealot by sacrificing Ornithopter
4. When Ornithopter dies, Emry triggers, untapping Emry
5. Resolve the Umbral Collar Zealot ability
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite surveil 1