Falco Spara, Pactweaver, Sensei's Divining Top, Uthros Research Craft, and Cemetery Prowler

Prerequisites

• Falco Spara, Pactweaver on the battlefield
• Sensei's Divining Top on the battlefield
• Uthros Research Craft on the battlefield
• Cemetery Prowler on the battlefield

Steps

1. Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top on top of your library
2. Cast Sensei's Diving Top from the top of your library by paying and removing a charge counter from Uthros Research Craft
3. Uthros Research Craft triggers, putting a charge counter on it and causing you to draw a card
4. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite storm count