Infinite ETB, Infinite LTB, Infinite mana creatures you control can produce, Infinite storm count, Infinite untap of creatures, Infinite untap of creatures you control
Cast Ornithopter by paying .
When Ornithopter enters the battlefield, Intruder Alarm and Dual Nature's first ability triggers.
Resolve the Intruder Alarm trigger, untapping all creatures.
Resolve the Dual Nature trigger, creating a token copy of Ornithopter.
Activate Ashnod's Altar by sacrificing the Ornithopter token, adding .
Activate Heidar by paying and tapping it, returning Ornithopter to your hand from the battlefield.
Dual Nature's second ability triggers, exiling nothing.
Re
Component Cards
How It Works
Cast Ornithopter by paying .
When Ornithopter enters the battlefield, Intruder Alarm and Dual Nature's first ability triggers.
Resolve the Intruder Alarm trigger, untapping all creatures.
Resolve the Dual Nature trigger, creating a token copy of Ornithopter.
Activate Ashnod's Altar by sacrificing the Ornithopter token, adding .
Activate Heidar by paying and tapping it, returning Ornithopter to your hand from the battlefield.
Dual Nature's second ability triggers, exiling nothing.
Repeat.