Emry, Lurker of the Loch + Intruder Alarm + Ornithopter + Krark-Clan Ironworks
Emry, Lurker of the Loch
Intruder Alarm
Ornithopter
Krark-Clan Ironworks
Infinite colorless manaInfinite death triggersInfinite creature ETBInfinite creature LTBInfinite mana creatures you control can produceInfinite creature sacrifice triggersInfinite storm countInfinite untap of creatures
How it works
Activate Krark-Clan Ironworks by sacrificing Ornithopter, adding CC.
Activate Emry by tapping it, allowing you to cast Ornithopter from your graveyard this turn.
Cast Ornithopter from your graveyard by paying 0.
Ornithopter enters the battlefield, triggering Intruder Alarm, untapping all creatures.