Raptor Hatchling, and Warstorm Surge

Prerequisites

• Raptor Hatchling on the battlefield
• Warstorm Surge on the battlefield
• You have a way to give Raptor Hatchling indestructible
• You have a way to cause a creature to enter the battlefield or to deal damage to Raptor Hatchling

Steps

1. Give Raptor Hatchling indestructible by any method
2. Cause a creature to enter the battlefield
3. When it enters the battlefield, Warstorm Surge triggers, causing that creature to deal damage to your indestructible Raptor Hatchling
4. Raptor Hatchling triggers, creating a 3/3 green Dinosaur creature token with trample
5. Warstorm Surge triggers, causing the Dinosaur token to deal 3 damage to the indestructible Raptor Hatchling
6. Repeat from step 4

Results

• Infinite creature tokens
• Infinite ETB