Ashiok, destroyer of dreams

{p/w} : target player discards 1 card and you discard 3 cards
{p/w}{p/u}{p/b}{u/b} : target player discards 1 and you draw 1
{p/b}{p/w}{p/u}{p/b}{p/c}{b}{b} : target player discards 3 and you draw 2 and gain {b}{b}{2}