Monk Gyatso, Priest of Urabrask, and Warrior en-Kor

Prerequisites

• Monk Gyatso on the battlefield
• Priest of Urabrask on the battlefield
• Warrior en-Kor on the battlefield

Steps

1. Activate Warrior en-Kor by paying , targeting Priest of Urabrask
2. Monk Gyatso triggers, airbending Priest of Urabrask
3. The Warrior en-Kor ability fizzles due to no longer having a legal target
4. Cast Priest of Urabrask from exile by paying
5. When Priest of Urabrask enters, it triggers, adding
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count
• Infinite red mana