Primal Prayers, Enduring Renewal, and Ashnod's Altar

Prerequisites

• Primal Prayers on the battlefield
• Enduring Renewal on the battlefield
• Ashnod's Altar on the battlefield

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 Ashnod's Altar by sacrificing the creature, adding
4. When the creature dies, Enduring Renewal triggers, returning the creature from your graveyard to your hand
5. Repeat

Results

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