Monk Gyatso, Lightning Greaves, and Alena, Kessig Trapper

Prerequisites

• Monk Gyatso on the battlefield
• Lightning Greaves on the battlefield
• Alena, Kessig Trapper on the battlefield
• available

Steps

1. Activate Lightning Greaves' equip ability by paying , targeting Alena
2. Monk Gyatso triggers, airbending Alena
3. The Lightning Greaves ability fizzles due to no longer having a legal target
4. Cast Alena from exile by paying
5. Activate Lightning Greaves' equip ability by paying , targeting Alena
6. Monk Gyatso triggers
7. Choose not to airbend Alena
8. Resolve Lightning Greaves' ability, attaching it to Alena
9. Activate Alena by tapping it, adding at least
10. Activate Lightning Greaves' equip ability by paying , attaching it to Monk Gyatso
11. Repeat

Results

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