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

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Thornbite Staff on the battlefield
• Phyrexian Altar 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 Phyrexian Altar by sacrificing Ornithopter, adding one mana of any color
4. When Ornithopter dies, Emry triggers, untapping Emry
5. Repeat

Results

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