Vrondiss, Rage of Ancients + Rite of Passage + Outpost Siege + Pandemonium

Vrondiss, Rage of Ancients

Rite of Passage

Outpost Siege

Pandemonium

How it works

1. Deal damage to Vrondiss.
2. Rite of Passage and Vrondiss trigger.
3. Resolve the Rite of Passage trigger, putting a +1/+1 counter on Vrondiss.
4. Resolve the Vrondiss trigger, creating a 5/4 Dragon Spirit creature token.
5. The Dragon Spirit enters the battlefield, triggering Pandemonium, causing the Dragon Spirit to deal damage equal to its power to any target.
6. The Dragon Spirit triggers, causing you to sacrifice it.
7. The Dragon dies, triggering Outpost Siege, dealing 1 damage to Vronidss.
8. Repeat from step 2.