Archon of Falling Stars, Animate Dead, and Phyrexian Altar

Prerequisites

• Archon of Falling Stars on the battlefield
• Animate Dead in the graveyard
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Archon of Falling Stars, adding one mana of any color
2. When Archon of Falling Stars dies, it triggers, returning Animate Dead from your graveyard to the battlefield
3. When Animate Dead enters the battlefield, it triggers, returning Archon of Falling Stars from your graveyard to the battlefield, and attaching Animate Dead to it
4. Repeat

Results

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