Blight Mound + Nether Traitor + Phyrexian Altar

B identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Phyrexian Altar by sacrificing Nether Traitor, adding {B}.
  2. When Nether Traitor dies, Blight Mound triggers, creating a 1/1 Pest creature token.
  3. Activate Phyrexian Altar by sacrificing the Pest, adding one mana of any color.
  4. When the Pest dies, it and Nether Traitor trigger.
  5. Resolve the Pest trigger, causing you to gain 1 life.
  6. Resolve the Nether Traitor trigger, causing you to pay {B} to return Nether Traitor from your graveyard to the battlefield.
  7. Repeat.

What the combo produces