Darien, King of Kjeldor, Havoc Jester, Altar of Dementia, and Lifecreed Duo

Prerequisites

• Darien, King of Kjeldor on the battlefield
• Havoc Jester on the battlefield
• Altar of Dementia on the battlefield
• Lifecreed Duo on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing a creature
2. When the creature dies, Havoc Jester triggers, dealing 1 damage to you
3. Darien triggers, creating a 1/1 Soldier creature token
4. When the Soldier enters, Lifecreed Duo triggers, causing you to gain life Resolve the Altar of Dementia ability
5. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite mill
• Infinite self-mill