Monk Gyatso, Lightning Greaves, and Bighorner Rancher

Prerequisites

• Monk Gyatso on the battlefield
• Lightning Greaves on the battlefield
• Bighorner Rancher on the battlefield

Steps

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

Results

• Infinite ETB
• Infinite LTB
• Infinite green mana
• Infinite storm count