Originally Posted by Fat fryfrey
I would like to argue Electivire for C-Rank or higher. Vire's very appealing ability Motor Drive multiplies it's speed by 1.5 times, the same boost a scarf gives you, if I'm not mistaken. This allows it to gain speed even on a band set, which is appealing given the fact that it has a huse base Attack stat and great coverage across the board. Even on non Band sets this brings a whole new dimension to offensive options, and brings Vire to a position of a frighteningly powerful sweeper.
Great coverage doesn't mean it's going to hit hard with every move it uses. Some moves have appalling problems like accuracy to deal with (Cross Chop) and at times Electivire will find itself walled or outsped by various Pokes (and rightfully OHKO'd). Also, with such good coverage wouldn't you rather use an Expert Belt set?