Urza, Lord High Artificer, Words of Wind, Forensic Gadgeteer, and Grim Monolith

Prerequisites

• Urza, Lord High Artificer on the battlefield
• Words of Wind on the battlefield
• Forensic Gadgeteer on the battlefield
• Grim Monolith in hand
• available

Steps

1. Cast Grim Monolith by paying its mana cost
2. Forensic Gadgeteer triggers, creating a Clue token
3. Activate Urza's first ability by tapping the Clue, adding
4. Activate Grim Monolith's first ability by tapping it, adding
5. Activate Words of Wind by paying , replacing the next card you would draw by causing each player to return a permanent to their hand instead
6. Activate the Clue by paying and sacrificing it, causing you to return Grim Monolith from the battlefield to your hand, and causing each opponent to return a permanent they control from the battlefield to their hand due to Words of Wind
7. Repeat

Results

• Infinite storm count
• Return all permanents opponents control to their owner's hand