Roserade

Despite having been dethroned by Moxie Heracross, Roserade deserves its title as the former queen of UU. Its access to great support moves in Spikes, Toxic Spikes, and Sleep Powder, combined with a huge base 125 Special Attack and usable base 90 Speed make it both a fearsome offensive powerhouse and a useful team supporter. It has a good ability in Natural Cure, which allows it to function as a status absorber. Because of its resistance to Water, the ability to remove a Scald burn with Natural Cure, and access to recovery moves in Giga Drain, Synthesis, and Rest, Roserade beats nearly all the bulky Water-types on its own. Unfortunately, its low HP stat and a pitiful Defense stat means it is threatened by almost any physical attack. Furthermore, it is weak to Fire, a very common offensive type in UU, and its merely decent Speed tier leaves it vulnerable to many faster threats. Despite these drawbacks, Roserade continues to be a very potent threat in UU, and is a monster to any that underestimate its power.