This is for B/W.
Drapion No item-Adamant Nature
Toxic Spikes (obvious enough)
Ice Fang(coverage for Ground types)
Cross Poison(STAB)
Brick Break(breaks through Reflect and Light Screen, plus Ice and Rock types)
Simisage Occa Berry-Relaxed Nature(unfortunately)
Nasty Plot(stat up, sweep down)
Energy Ball(STAB)
Grasswhistle(as Cilan would say, adds lots of flavor to Simisage)
Focus Blast(coverage on Ice)
Tentacruel No item-Docile Nature
Wring Out(when your HP's low)
Brine(not much, but a useful STAB)
Sludge Bomb(for Grass types)
Swagger(keep em' confused!)
Garchomp Earth Plate-Brave Nature
Dragon Rush(In your face, Brave Nature!stab)
Stone Edge(Ice coverage)
Swords Dance(powering up...)
Earthquake(well why not?)
Camerupt Fire Gem-Naive Nature
Sunny Day(you probably know what's next)
Solarbeam(nifty for Water)
Flamethrower(a STAB plus sun)
Earthquake(duh.)
Gavantula Zap Plate-Mild Nature
Bug Buzz(STAB)
Discharge(STAB)
Sucker Punch(I really don't know why)
Toxic(a real threat to others)