Monk Gyatso, Lightning Greaves, and Vhal, Candlekeep Researcher

Prerequisites

• Monk Gyatso on the battlefield
• Lightning Greaves on the battlefield
• Vhal, Candlekeep Researcher on the battlefield

Steps

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

Results

• Infinite ETB
• Infinite LTB
• Infinite colorless mana that can't be spent to cast spells from your hand
• Infinite storm count