Overgrown Armasaur, and Terror of the Peaks

Prerequisites

• Overgrown Armasaur on the battlefield
• Terror of the Peaks on the battlefield
• You have a way to give Overgrown Armasaur indestructible
• You have a way to deal damage to Overgrown Armasaur

Steps

1. Give Overgrown Armasaur indestructible by any method
2. Deal damage to Overgrown Armasaur
3. Overgrown Armasaur triggers, creating a 1/1 Saproling creature token
4. The Saproling enters the battlefield, triggering Terror of the Peaks, dealing 1 damage to Overgrown Armasaur
5. Repeat from step 3

Results

• Infinite creature tokens
• Infinite ETB