(Magic: The Gathering) The condition of having or drawing too many mana sources and insufficient spells.
1997 May 22, Johnny Ace, “Re: My mana screw proposal: a defense”, in rec.games.trading-cards.magic.strategy[1] (Usenet):
Because he knows how to design his deck to avoid mana screw (or the opposite and usually equally deadly mana glut).
1998 May 31, Broccoli! [username], “Re: Why Sage owl is better than that Janky Impulse”, in rec.games.trading-cards.magic.strategy[2] (Usenet):
Funny, I have gone as low as 16 land and my deck still had huge problems with mana glut.
2000 March 9, Glenn Olson, “Re: Q regarding 9-land green”, in rec.games.trading-cards.magic.strategy[3] (Usenet):
And in my experience where 2 lands makes the difference between constant mana screw and constant mana glut in the deck, that compromise seems damn sweet.