Proposing to put Dragonite on the list at either B+/A-
Dragonite's DD set (Lum + DD/ESpeed/Outrage/Equake) destroys a large amount of the pokemon here (Aegislash, Thundurus, Terrakion, MGengar) while its other set, CB (CB + TPunch or Equake/Superpower/Outrage/ESpeed) Destroys the other pokemon...