Emry, Lurker of the Loch, Thornbite Staff, Yahenni, Undying Partisan, and Shield Sphere

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Thornbite Staff on the battlefield
• Yahenni, Undying Partisan on the battlefield
• Shield Sphere in the graveyard
• Emry does not have summoning sickness

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 Yahenni by sacrificing Shield Sphere
4. When Shield Sphere dies, Emry triggers, untapping Emry
5. Resolve the Yahenni ability
6. Repeat

Results

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