Primal Prayers, Enduring Renewal, and Phyrexian Altar

Prerequisites

• Primal Prayers on the battlefield
• Enduring Renewal on the battlefield
• Phyrexian Altar on the battlefield
• You have at least
• You control a nontoken creature that can be cast using one colored mana

Steps

1. Cast the creature that causes you to get energy counter(s) when it enters the battlefield by paying due to Primal Prayers
2. When the creature enters the battlefield, it triggers, causing you to get at least
3. Activate Phyrexian Altar by sacrificing the creature, adding one mana of any color
4. When the creature dies, Enduring Renewal triggers, returning the creature from your graveyard to your hand
5. Repeat

Results

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