Necrogen Communion + Phyrexian Altar + Shepherd of the Cosmos

WB identity

Commander legal

The 3 combo pieces

What must be in place

Necrogen Communion attached to Shepherd of the Cosmos.

How to execute it

  1. Activate Phyrexian Altar by sacrificing Shepherd of the Cosmos, adding one mana of any color.
  2. When Shepherd of the Cosmos dies, Necrogen Communion triggers, returning Shepherd of the Cosmos from your graveyard to the battlefield.
  3. When Shepherd of the Cosmos enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Shepherd of the Cosmos.
  4. Repeat.

What the combo produces