Uber:
Arceus
Blaziken with Speed boost ability
Darkrai
Deoxys-A
Deoxys
Dialga
Giratina
Giratina-O
Groudon
Ho-Oh
Kyogre
Lugia
Manaphy
Mewtwo
Palkia
Rayquaza
Reshiram
Shaymin-S
Zekrom
Garchomp
Chandelure with Shadow tag ability
Excadrill
Victini (the event one with fusion bolt,blue flare and v-create)
***Dreamworld Pokemon that are not out yet are banned***
***The item Soul Dew are banned when equipped by Latios or Latias***
***Pokemon with the dream world ability Moody are banned***
OU: (Overused)
Alakazam
Azelf
Blissey
Breloom
Bronzong
Cloyster
Conkeldurr
Chandelure
Darmanitan
Deoxys (defense form)
Deoxys-S
Dragonite
Espeon
Ferrothorn
Forretress
Gengar
Gliscor
Gyarados
Haxorus
Heatran
Hippowdon
Hydreigon
Infernape
Jellicent
Jirachi
Landorus
Latias
Latios
Lucario
Machamp
Magnezone
Metagross
Mienshao
Nidoking
Ninetales
Politoed
Porygon2
Reuniclus
Rotom-W
Salamence
Scizor
Scrafty
Skarmory
Slowbro
Starmie
Suicune
Swampert
Tentacruel
Terrakion
Thundurus
Tornadus
Toxicroak
Tyranitar
Vaporeon
Venusaur
Virizion
Volcarona
Whimsicott
Zapdos
BL: (Borderline)
Chansey
Cresselia
Kyurem
Mew
Vulpix
UU: (Underused)
Abomasnow
Altaria
Ambipom
Arcanine
Azumarill
Bisharp
Blastoise
Bronzong
Charizard
Claydol
Clefable
Cofagrigus
Crobat
Darmanitan
Donphan
Drapion
Durant
Dusclops
Dusknoir
Electivire
Empoleon
Escavalier
Flygon
Froslass
Gallade
Galvantula
Golurk
Heracross
Hippopotas
Hitmontop
Houndoom
Jolteon
Krookodile
Lucario
Ludicolo
Mamoswine
Mandibuzz
Milotic
Mismagius
Porygon-Z
Raikou
Registeel
Rhyperior
Roserade
Rotom-H
Sceptile
Shaymin
Sigilyph
Snorlax
Spiritomb
Staraptor
Steelix
Swellow
Tangrowth
Togekiss
Uxie
Venomoth
Virizion
Weavile
Weezing
Yanmega
Pokemon that haven't been mentioned are all LU. (Lesser Used)