Agatha of the Vile Cauldron + Bile Urchin + Earthcraft + Kenrith, the Returned King

WUBRG identity

Commander legal

The 4 combo pieces

What must be in place

You control a basic Swamp.

How to execute it

  1. Activate a basic Swamp by tapping it, adding {B}.
  2. Activate Kenrith's fifth ability by paying {B} due to Agatha, returning Bile Urchin from your graveyard to the battlefield.
  3. Activate Earthcraft by tapping Bile Urchin, untapping the basic Swamp.
  4. Activate Bile Urchin by sacrificing it.
  5. Repeat.

What the combo produces