Fable of the Mirror-Breaker // Reflection of Kiki-Jiki, Intruder Alarm, and Priest of Urabrask

Prerequisites

• Fable of the Mirror-Breaker // Reflection of Kiki-Jiki on the battlefield
• Intruder Alarm on the battlefield
• Priest of Urabrask on the battlefield
• Reflection of Kiki-Jiki does not have summoning sickness
• available

Steps

1. Activate Reflection of Kiki-Jiki by paying and tapping it, creating a token copy of Priest of Urabrask with haste
2. The Priest of Urabrask token enters the battlefield, triggering itself and Intruder Alarm
3. Resolve the Priest of Urabrask trigger, adding
4. Resolve the Intruder Alarm trigger, untapping all creatures
5. Repeat

Results

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