Enduring Renewal, Deathrender, and Phyrexian Altar

Prerequisites

• Enduring Renewal on the battlefield
• Deathrender on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing the creature with Deathrender attached, adding one mana of any color
2. When the creature dies, Enduring Renewal and Deathrender trigger
3. Resolve the Enduring Renewal trigger, returning the creature from your graveyard to your hand
4. Resolve the Deathrender trigger, putting the creature from your hand onto the battlefield, and attaching Deathrender to it
5. Repeat

Results

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