Monk Gyatso, Lightning Greaves, and Gyre Engineer

Prerequisites

• Monk Gyatso on the battlefield
• Lightning Greaves on the battlefield
• Gyre Engineer on the battlefield

Steps

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

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count