Intruder Alarm, and Dream Stalker

Prerequisites

• Intruder Alarm on the battlefield
• Dream Stalker in hand
• Creatures you control can tap to produce at least

Steps

1. Activate all mana-producing creatures you control by tapping them, adding at least
2. Cast Dream Stalker by paying
3. Dream Stalker enters the battlefield, triggering Intruder Alarm and Dream Stalker
4. Resolve the Intruder Alarm's trigger, untapping all creatures you control
5. Resolve the Dream Stalker's trigger, returning it to your hand
6. Repeat

Results

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