You may choose not to untap Mole Worms during your untap step. {T}: Tap target land. It doesn't untap during its controller's untap step for as long as Mole Worms remains tapped.
Near Mint - $400
Lightly Played - $300
Moderately Played - $300
Heavily Played - $200
Damaged - $200
Near Mint Spanish - $400
Lightly Played Spanish - $300
Moderately Played Spanish - $300
Heavily Played Spanish - $200
Damaged Spanish - $200