Pupitar

A trolly base 51 Speed (getting to outspeed fully invested base 50s before boosting is pretty golden) and a great offensive typing are enough tools to give Pupitar an edge in the NU metagame, but what really makes Pupitar one of the absolute top offensive threats in the tier is its access to Dragon Dance. At just +1, Pupitar packs only slightly less power than Choice Band Relicanth while also outspeeding every unboosted Pokemon in the tier. Its access to fantastic offensive STAB moves cannot be understated, and Hidden Power Bug and Hidden Power Flying both give Pupitar the coverage it needs. Even its ability Shed Skin is a gigantic perk that protects it somewhat against sleep, burn, and paralysis, and with a natural immunity to Thunder Wave, Pupitar has an easy time steamrolling over purely defensive teams. The only major downside is that Pupitar is rather slow before boosting, which can leave it vulnerable to more offensive teams. Outside of Dragon Dance, though, Pupitar is heavily outclassed by the other Rock-types in the tier, which are far stronger and bulkier, including Graveler, Sudowoodo, and Relicanth.