Endless Cockroaches + Jet Medallion + Phyrexian Altar + Pitiless Plunderer

B identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Phyrexian Altar by sacrificing Endless Cockroaches, adding {B}.
  2. Endless Cockroaches dies, triggering itself and Pitiless Plunderer.
  3. Resolve the Endless Cockroaches trigger, returning it from your graveyard to your hand.
  4. Resolve the Pitiless Plunderer trigger, creating a Treasure token.
  5. Activate the Treasure by tapping and sacrificing it, adding {B}.
  6. Cast Endless Cockroaches by paying {B}{B}.
  7. Repeat.

What the combo produces