Urza, Lord High Artificer, Deadeye Navigator, and Worldwalker Helm

Prerequisites

• Urza, Lord High Artificer on the battlefield
• Deadeye Navigator on the battlefield
• Worldwalker Helm on the battlefield
• available

Steps

1. Activate Urza by paying , blinking it
2. When Urza enters the battlefield, it and Deadeye Navigator's soulbond ability trigger
3. Resolve the Deadeye Navigator trigger, repairing it and Urza
4. Resolve the Urza trigger, creating a 0/0 Construct artifact creature token and a Map token
5. Activate Urza's first ability twice by tapping the Construct and Map, adding
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite tapped creature tokens
• Infinite tapped Map tokens