Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Intruder Alarm, and Spider-Man 2099, Miguel O'Hara

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Intruder Alarm on the battlefield
• Spider-Man 2099, Miguel O'Hara in hand

Steps

1. Cast Spider-Man 2099 by paying its mana cost reduced by the number of creatures you can tap while casting it
2. When Spider-Man 2099 enters, it and Intruder Alarm trigger
3. Resolve the Spider-Man 2099 trigger, returning it from the battlefield to your hand
4. Resolve the Intruder Alarm trigger, untapping all creatures
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count
• Infinite mana creatures you control can produce
• Infinite untap of creatures