Architect of the Untamed, Gonti's Aether Heart, Elspeth, Storm Slayer, and Mondrak, Glory Dominus

Prerequisites

• Architect of the Untamed on the battlefield
• Gonti's Aether Heart on the battlefield
• Elspeth, Storm Slayer on the battlefield
• Mondrak, Glory Dominus on the battlefield

Steps

1. Activate Architect of the Untamed by paying eight , creating four 6/6 Beast artifact creature tokens
2. When the Beasts enter the battlefield, Gonti's Aether Heart triggers four times, causing you to get eight
3. Repeat

Results

• Infinite ETB
• Infinite creature tokens