Mana Leech

Creature — Leech - (uncommon)

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.

Price

cardmarket 0.18

cardkingdom 0.35

cardsphere 0.3

manapool 0.18

tcgplayer 0.28