Vrondiss, Rage of Ancients + Scourge of Valkas

Prerequisites

• You have a way to give Vrondiss indestructible.
• You have a way to deal damage to Vrondiss.

Steps

1. 1Give Vrondiss indestructible by any method.
2. 2Deal damage to Vrondiss.
3. 3Vrondiss triggers, creating a 5/4 Dragon Spirit creature token.
4. 4The Dragon Spirit enters the battlefield, triggering Scourge of Valkas, causing the Dragon Spirit to deal damage to Vrondiss equal to the number of Dragons you control.
5. 5The Dragon Spirit and Vrondiss trigger.
6. 6Resolve the Dragon Spirit trigger, causing you to sacrifice it.
7. 7Resolve the Vrondiss trigger, creating a 5/4 Dragon Spirit creature token.
8. 8Repeat from step 4.

Effects

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