Earthcraft + Lab Rats + Witherbloom, the Balancer

BG identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate a basic Swamp by tapping it, adding {B}.
  2. Cast Lab Rats with buyback by paying {B} due to its affinity for creatures, creating a creature token and returning Lab Rats to your hand.
  3. Activate Earthcraft by tapping the creature token, untapping the basic Swamp.
  4. Repeat.

What the combo produces