Urza, Lord High Artificer, Deadeye Navigator, and Panharmonicon

Prerequisites

• Urza, Lord High Artificer on the battlefield
• Deadeye Navigator on the battlefield
• Panharmonicon 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 twice
3. Resolve both Deadeye Navigator triggers, repairing it and Urza
4. Resolve both Urza triggers, creating two 0/0 Construct artifact creature tokens
5. Activate Urza's first ability twice by tapping the Constructs, adding
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite tapped creature tokens