Saheeli, the Sun's Brilliance, and Intruder Alarm

Prerequisites

• Saheeli, the Sun's Brilliance on the battlefield
• Intruder Alarm on the battlefield
• Saheeli does not have summoning sickness
• Creatures you control can tap to produce at least

Steps

1. Activate any number of creatures by tapping them, adding at least
2. Activate Saheeli by paying and tapping it, creating a token copy of another creature you control with haste
3. When the creature token enters the battlefield, Intruder Alarm triggers, untapping all creatures
4. Repeat
5. If creatures you control can tap to produce at least , this combo nets infinite mana

Results

• Infinite copies of all other creatures you control with haste
• Infinite creature tokens with haste
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite untap of all creatures