Urza, Lord High Artificer, Deadeye Navigator, and Experimental Aviator

Prerequisites

• Urza, Lord High Artificer on the battlefield
• Deadeye Navigator on the battlefield
• Experimental Aviator on the battlefield
• available

Steps

1. Activate Experimental Aviator by paying , blinking it
2. When Experimental Aviator enters the battlefield, it and Deadeye Navigator's soulbond ability trigger
3. Resolve the Deadeye Navigator trigger, repairing it and Experimental Aviator
4. Resolve the Experimental Aviator trigger, creating two 1/1 Thopter artifact creature tokens
5. Activate Urza's first ability twice by tapping the Thopters, adding
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite tapped creature tokens