I'm a big MTG player, though casually; I rarely play tournaments (that's Kaito's department). I'd say black and green are the colors I play most, and white's definitely the color I play least. Favorite cards, let's see... Dolmen Gate, Exquisite Blood, Necroskitter, Rooftop Storm, Pariah, Doubling Chant, probably lots more I'm forgetting. Favorite combos, now that would be a much longer list!