Darien, King of Kjeldor, Havoc Jester, Phyrexian Altar, and Essence Warden

Prerequisites

• Darien, King of Kjeldor on the battlefield
• Havoc Jester on the battlefield
• Phyrexian Altar on the battlefield
• Essence Warden on the battlefield

Steps

1. Activate Phyrexian Altar 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, Essence Warden triggers, causing you to gain life
5. Repeat

Results

• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers