Urza, Lord High Artificer, Deadeye Navigator, and Breya's Apprentice

Prerequisites

• Urza, Lord High Artificer on the battlefield
• Deadeye Navigator on the battlefield
• Breya's Apprentice on the battlefield
• available

Steps

1. Activate Breya's Apprentice by paying , blinking it
2. When Breya's Apprentice enters the battlefield, it and Deadeye Navigator's soulbond ability trigger
3. Resolve the Deadeye Navigator trigger, repairing it and Breya's Apprentice Resolve the Breya's Apprentice trigger, creating an artifact token
4. Activate Urza's first ability twice by tapping Breya's Apprentice and another artifact, adding
5. Repeat

Results

• Infinite ETB
• Infinite LTB