Boneyard Scourge + Miirym, Sentinel Wyrm + Phyrexian Altar

UBRG identity

Commander legal

The 3 combo pieces

What must be in place

You control at least one additional Dragon.

How to execute it

  1. Activate Phyrexian Altar by sacrificing Boneyard Scourge, adding {1}.
  2. Activate Phyrexian Altar by sacrificing another Dragon, adding {B}.
  3. When the Dragon dies, Boneyard Scourge triggers, causing you to pay {1}{B} to return it from your graveyard to the battlefield.
  4. When Boneyard Scourge enters the battlefield, Miirym triggers, creating a token copy of Boneyard Scourge.
  5. Repeat.

What the combo produces