Drafna, Founder of Lat-Nam, Urza, Lord High Artificer, and Sai, Master Thopterist

Prerequisites

• Drafna, Founder of Lat-Nam on the battlefield
• Urza, Lord High Artificer on the battlefield
• Sai, Master Thopterist on the battlefield

Steps

1. Cast the artifact by paying
2. Sai triggers, creating a 1/1 Thopter artifact creature token
3. Activate Urza's first ability twice by tapping the nontoken artifact and the Thopter, adding
4. Activate Drafna's first ability by paying , returning the nontoken artifact to your hand from the battlefield
5. Repeat

Results

• Infinite ETB
• Infinite storm count
• Infinite tapped creature tokens