Nested Ghoul, and Terror of the Peaks

Prerequisites

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

Steps

1. Give Nested Ghoul indestructible by any method
2. Deal damage to Nested Ghoul
3. Nested Ghoul triggers, creating a 2/2 Phyrexian Zombie creature token
4. The Phyrexian Zombie enters the battlefield, triggering Terror of the Peaks, dealing damage equal to the Phyrexian Zombie's power to Nested Ghoul
5. Repeat from step 3

Results

• Infinite creature tokens
• Infinite ETB