Darkrai can do it with Dark void. As for Non-legendaries Gengar work very well with it.
Darkrai, Dark pulse, Dark void, Dream eater, and Ice beam
Gengar, Shadow ball, hypnosis, dream eater, and Thunderbolt
you might want a way to trap the opponent as well because of sleep clause, Baton pass+mean look is good. Umbreon, Giraffirig, and Absol can do this.