Emmara, Soul of the Accord, Intruder Alarm, and Hankyu

Prerequisites

• Emmara, Soul of the Accord on the battlefield
• Intruder Alarm on the battlefield
• Hankyu on the battlefield
• Hankyu attached to Emmara
• Emmara does not have summoning sickness

Steps

1. Activate Emmara by tapping it
2. Emmara triggers, creating a 1/1 Human Warrior creature token
3. When the Human Warrior enters the battlefield, Intruder Alarm triggers, untapping all creatures
4. Resolve the Emmara ability from step 1, putting an aim counter on Hankyu
5. Repeat
6. Once Hankyu has infinite aim counters, you may use Emmara to deal infinite damage to any target(s)

Results

• Infinite aim counters on Hankyu
• Infinite creature tokens
• Infinite damage
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite untap of all creatures