Darien, King of Kjeldor, Goblin Bombardment, and Cloudsteel Kirin

Prerequisites

• Darien, King of Kjeldor on the battlefield
• Goblin Bombardment on the battlefield
• Cloudsteel Kirin on the battlefield
• You control at least one additional creature
• Cloudsteel Kirin attached to a creature you control

Steps

1. Activate Goblin Bombardment by sacrificing another creature, dealing 1 damage to you, with you being unable to lose the game due to Cloudsteel Kirin
2. Darien triggers, creating a 1/1 Soldier creature token
3. Repeat

Results

• Infinite creature tokens
• Infinite ETB
• Infinite damage