Biotransference + Dross Scorpion + Jan Jansen, Chaos Crafter + Razorlash Transmogrant

RWB identity

Commander legal

The 4 combo pieces

What must be in place

An opponent controls four or more nonbasic lands.

How to execute it

  1. Activate Jan Jansen's first ability by tapping it and sacrificing Razorlash Transmogrant.
  2. When Razorlash Transmogrant dies, Dross Scorpion triggers, untapping Jan Jansen.
  3. Resolve the Jan Jansen ability, creating two Treasure tokens.
  4. Activate the Treasures by tapping and sacrificing them, adding {B}{B}.
  5. Activate Razorlash Transmogrant by paying {B}{B}, putting it from your graveyard onto the battlefield.
  6. Repeat.

What the combo produces