Vrondiss, Rage of Ancients, and Pandemonium

Prerequisites

• Vrondiss, Rage of Ancients on the battlefield
• Pandemonium on the battlefield
• You have a way to give Vrondiss indestructible
• You have a way to deal damage to Vrondiss

Steps

1. Give Vrondiss indestructible by any method
2. Deal damage to Vrondiss
3. Vrondiss triggers, creating a 5/4 Dragon creature token
4. The Dragon enters the battlefield, triggering Pandemonium, dealing five damage to Vrondiss
5. Vrondiss and the Dragon token trigger
6. Resolve the Dragon's trigger, causing you to sacrifice it
7. Resolve the Vrondiss trigger, creating a 5/5 Dragon creature token
8. Repeat from step 4

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers