Vrondiss, Rage of Ancients + Rite of Passage + Outpost Siege + Scourge of Valkas

Prerequisites

• You have a way to deal non-lethal damage to Vrondiss.
• "Dragons" chosen with Outpost Siege.

Steps

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

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite damage
• Infinite death triggers