Monk Gyatso, Lightning Greaves, and Orochi Merge-Keeper

Prerequisites

• Monk Gyatso on the battlefield
• Lightning Greaves on the battlefield
• Orochi Merge-Keeper on the battlefield

Steps

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

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count