Emry, Lurker of the Loch, Intruder Alarm, Ornithopter, and Krark-Clan Ironworks

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Intruder Alarm on the battlefield
• Ornithopter on the battlefield
• Krark-Clan Ironworks on the battlefield
• Emry does not have summoning sickness

Steps

1. Activate Krark-Clan Ironworks by sacrificing Ornithopter, adding
2. Activate Emry by tapping it, allowing you to cast Ornithopter from your graveyard this turn
3. Cast Ornithopter from your graveyard by paying
4. Ornithopter enters the battlefield, triggering Intruder Alarm, untapping all creatures
5. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite storm count
• Infinite untap of all creatures