Darien, King of Kjeldor, Warstorm Surge, and Cloudsteel Kirin

Prerequisites

• Darien, King of Kjeldor on the battlefield
• Warstorm Surge on the battlefield
• Cloudsteel Kirin on the battlefield
• You have a way to cause a creature to enter the battlefield under your control
• Cloudsteel Kirin attached to a creature you control

Steps

1. Cause a creature to enter the battlefield under your control
2. Warstorm Surge triggers, dealing damage to you equal to the creature's power, with you being unable to lose the game due to Cloudsteel Kirin
3. Darien triggers, creating a number of 1/1 Soldier creature tokens equal to the damage dealt to you
4. When the Soldiers enter the battlefield, Warstorm Surge triggers that many times
5. Resolve the first trigger, dealing 1 damage to you, with you being unable to lose the game due to Cloudsteel Kirin
6. Repeat from step 3

Results

• Infinite creature tokens
• Infinite ETB