Jhoira, Weatherlight Captain, Words of Wind, Mana Vault, and Lyse Hext

Prerequisites

• Jhoira, Weatherlight Captain on the battlefield
• Words of Wind on the battlefield
• Mana Vault on the battlefield
• Lyse Hext on the battlefield

Steps

1. Activate Mana Vault by tapping it, adding
2. Activate Words of Wind by paying
3. Cast an artifact by paying
4. Jhoira and Lyse's prowess ability trigger
5. Resolve the Jhoira trigger, causing each player to return a permanent they control from the battlefield to their hand due to Words of Wind, with you returning Mana Vault to your hand
6. Resolve the Lyse trigger, giving it +1/+1 until end of turn
7. Activate Words of Wind by paying
8. Cast Mana Vault by paying
9. Jhoira and Lyse's prowess ability trigger
10. Resolve the Jhoira trigger,, causing each player to return a permanent they control from the battlefield to their hand due to Words of Wind, with you returning the artifact cast in step 3 to your hand
11. Resolve the Lyse trigger, giving it +1/+1 until end of turn
12. Repeat

Results

• Infinitely large creature until end of turn
• Infinite LTB
• Infinite ETB
• Infinite colorless mana
• Infinite storm count
• Return all permanents opponents control to their owner's hand