You may choose not to untap Mana Leech during your untap step.
: Tap target land. It doesn't untap during its controller's untap step for as long as Mana Leech remains tapped.
You may choose not to untap Mana Leech during your untap phase.
: Tap target land. As long as Mana Leech remains tapped, that land does not untap during its controller's untap phase.
--This card has no flavor text --