Dazzling Theater // Prop Room, Intruder Alarm, and Hoverguard Sweepers

Prerequisites

• Dazzling Theater // Prop Room on the battlefield
• Intruder Alarm on the battlefield
• Hoverguard Sweepers in hand

Steps

1. Cast Hoverguard Sweepers by tapping a number of creatures and paying
2. When Hoverguard Sweepers enters the battlefield, it and Intruder Alarm trigger
3. Resolve the Hoverguard Sweepers 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
• Return any number of creatures to their owners' hands