Mirran Spy + Emry, Lurker of the Loch + Ornithopter + Grinding Station

Prerequisites

• Emry does not have summoning sickness.

Steps

1. 1Activate Grinding Station by tapping it and sacrificing Ornithopter, causing target player to mill three cards.
2. 2Activate Emry by tapping it, targeting Ornithopter.
3. 3Cast Ornithopter from your graveyard by paying .
4. 4Mirran Spy triggers, untapping Emry.
5. 5Ornithopter enters the battlefield, untapping Grinding Station.
6. 6Repeat.

Effects

• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite mill
• Infinite sacrifice triggers
• Infinite untap of creatures you control
• Near-infinite storm count