Enduring Renewal + Phyrexian Altar + Primal Prayers

GW identity

Commander legal

The 3 combo pieces

What must be in place

You have at least {E}.
You control a nontoken creature that can be cast using one colored mana.

How to execute it

  1. Cast the creature that causes you to get energy counter(s) when it enters the battlefield by paying {E} due to Primal Prayers.
  2. When the creature enters the battlefield, it triggers, causing you to get at least {E}.
  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.

What the combo produces