Darien, King of Kjeldor, Warstorm Surge, and Angel's Grace

Prerequisites

• Darien, King of Kjeldor on the battlefield
• Warstorm Surge on the battlefield
• Angel's Grace in hand
• You have a way to cause a creature to enter the battlefield under your control
• available

Steps

1. Cast Angel's Grace by paying
2. Cause a creature to enter the battlefield under your control
3. Warstorm Surge triggers, dealing damage to you equal to the creature's power, with your life total becoming no lower than 1 due to Angel's Grace
4. Darien triggers, creating a number of 1/1 Soldier creature tokens equal to the damage dealt to you
5. When the Soldiers enter the battlefield, Warstorm Surge triggers that many times
6. Resolve the first trigger, dealing 1 damage to you, with your life total becoming no lower than 1 due to Angel's Grace
7. Repeat from step 3

Results

• Infinite creature tokens
• Infinite ETB