Help me complete Sun/Moon Dex

[JackMat98]

Can I get help filling the Pokedex? I'm 10% away from completing it. I need these Pokemon:

Blissey
Slowking
Cloyster
Shelgon
Jigglypuff
Wigglytuff
Tauros
Poliwhirl
Poliwrath
Politoed
Seaking
Magmortar
Sliggoo
Goodra
Castform
Chinchou
Lanturn
Cleffa
Clefairy
Clefable
Porygon2
PorygonZ
Pangoro
Electivire
Vibrava
Flygon
Weavile