mana screw noun 1verb 1forms 3 noun1 •The condition of having an insufficient supply of (the correct color of) mana.Because he knows how to design his deck to avoid mana screw (or the opposite and usually equally deadly mana glut). — 1997 verb1 •To affect with this condition.Game 1 and 2 I get horribly manascrewed. I never have more than 2 lands. — 1997 formsmana screwed · mana screwing · mana screws