Ghyrson Starn, Kelermorph, Temple Altisaur, Sun-Crowned Hunters, and Spark Double

Prerequisites

• Ghyrson Starn, Kelermorph on the battlefield
• Temple Altisaur on the battlefield
• Sun-Crowned Hunters on the battlefield
• Spark Double on the battlefield
• You have a way to give Sun-Crowned Hunters indestructible
• You have a way to deal damage to Sun-Crowned Hunters

Steps

1. Give Sun-Crowned Hunters indestructible by any method
2. Deal damage to Sun-Crowned Hunters, with all but 1 of that damage being prevented by Temple Altisaur
3. Sun-Crowned Hunters, Ghyrson Starn, and Spark Double trigger
4. Resolve the Ghyrson Starn trigger, dealing 2 damage to Sun-Crowned Hunters, with all but 1 of that damage being prevented by Temple Altisaur
5. Spark Double and Sun-Crowned Hunters trigger
6. Resolve the Sun-Crowned Hunters trigger, dealing 3 damage to target opponent
7. Resolve the Spark Double trigger, dealing 2 damage to Sun-Crowned Hunters, with all but 1 of that damage being prevented by Temple Altisaur
8. Ghyrson Starn and Sun-Crowned Hunters trigger
9. Repeat from step 4

Results

• Infinite damage