>>29918716>ScizorViable because of technician priority and great defensive typing.
>CrobatNot viable in OU
>M-HeracrossStall breaker and a mega
>SkarmoryStill OU but barely at this point with shit like Landorus-T running around and Ferrothorn
>KingdraNot viable in OU
>The BeastsOnly Raikou is useable. Entei is shit. Suicune fell from grace because powercreep
>CelebiNot in OU and for good reason. Heatran, Ferrothorn and a myriad of other pokemon buttfuck it
>PolitoadRain is dead son. Time to tell it go.
>Feraligatr100% outclassed by M-Gyarados and thats why it is UU and M-Gyarados was banned from UU
>TyranitarNobody cares about its speed because of it's fucking incredible offensive presence, bulk and ability to set up dududu.
>M-AmpharosNot viable in OU
>Porygon-2Barely viable in OU anymore but nobody cares about its speed due to it being a stall pokemon.
To be OU to need 2 of 3:
Speed
A way to take hits/immunity
Combo potential/Core potential
M-Ampharos for example sorta has a way to take hits with a neat typing and some tanky stats but lacks the other two so it isn't even considered for OU.
Skarmory is tanky and has lots of combo potential. Celebi has combo potential but is barely below average for the other two. Scizor has tankiness and speed due to priority. etc.
Slow speed is really bad because it only leaves the last two options for you to matter. You can feasibly get away with only 1 of 3 but you better be the very best that no one ever was and even then you are usually niche.