Rage

It's an alright move, if you're using a normal type, but if you really want something, try
-Giga Impact/Hyper Beam (depending which stat is higher)
-Sword Dance
-Swift (or, alternatively, if you have the option to use a swift variation, use that instead, for element purposes)
-Explosion
Choice Scarf is a nice item to give them, since it amps normal-type moves.