fS Rank:

S Rank
Landorus-T - Shore Up
Magearna - Earth Power

A Rank:

A+ Rank
Celesteela - Roost
Dugtrio - Precipice Blades
Greninja - Close Combat
Greninja-Ash - Nasty Plot
Heatran - King's Shield
Mew - Parting Shot
Tapu Bulu - Sacred Fire
Volcarona - Blue Flare
Zygarde - Swords Dance

A Rank
Charizard (Mega-Y) - Blue Flare
Clefable - Topsy-Turvy
Ferrothorn - Synthesis
Garchomp - Dragon Dance
Keldeo - Freeze-Dry
Mawile (Mega) - Shift Gear
Pinsir (Mega) - Extreme Speed
Tangrowth - Ice Beam
Tapu Koko - Bolt Strike
Tapu Lele - Psystrike
Toxapex - Spikes

A- Rank
Chansey - Transform
Heracross (Mega) - Leech Life
Latios - Psystrike
Medicham (Mega) - Play Rough
Pelipper - Steam Eruption
Sableye (Mega) - Topsy-Turvy
Skarmory - Toxic Spikes
Tyranitar - Accelrock
Tyranitar (Mega) - Diamond Storm
Zapdos - Oblivion Wing

B Rank:

B+ Rank
Alakazam (Mega) - Moongeist Beam
Amoonguss - Strength Sap
Bisharp - Shift Gear
Gengar - Nasty Plot
Gyarados - Flare Blitz
Kartana - Shift Gear
Kingdra - Water Spout
Kyurem-B - Icicle Crash
Magnezone - Blue Flare
Mantine - Heal Bell
Marowak-Alolan - Spectral Thief
Rotom-W - Scald
Scizor (Mega) - Shift Gear
Suicune - Baneful Bunker
Swampert (Mega) - Swords Dance
Tapu Fini - Recover
Tornadus-T - Oblivion Wing
Venusaur (Mega) - Spore
Weavile - Close Combat

B Rank
Alakazam - Memento
Alomomola - Topsy-Turvy
Excadrill - Shift Gear
Gallade (Mega) - Play Rough
Hoopa-U - Psystrike
Jirachi - King's Shield
Lopunny (Mega) - Extreme Speed
Mamoswine - Rock Polish
Manectric (Mega) - Ice Beam
Mimikyu - Spectral Thief
Reuniclus - Moonblast
Serperior - Draco Meteor
Slowbro (Mega) - Steam Eruption
Terrakion - Diamond Storm
Thundurus - Oblivion Wing

B- Rank
Azumarill - Flare Blitz
Charizard (Mega-X) - V-Create
Gastrodon - Strength Sap
Hawlucha - Belly Drum
Latias - Fire Blast
Nidoking - Nasty Plot
Nihilego - Fire Blast
Ninetales-Alola - Fire Blast
Porygon-Z - Boomburst
Salamence - Dragon Ascent
Sharpedo (Mega) - Swords Dance
Slowbro - Psystrike
Togekiss - Celebrate

C Rank:

C+ Rank
Aerodactyl (Mega) - Brave Bird
Camerupt (Mega) - Blue Flare
Cofagrigus - Moongeist Beam
Dragonite - Dragon Ascent
Garchomp (Mega) - Dragon Dance
Gardevoir (Mega) - Quiver Dance
Gyarados (Mega) - Milk Drink
Hippowdon - Shore Up
Infernape - Bolt Strike
Manaphy - Psystrike
Muk-Alolan - Sucker Punch
Primarina - Boomburst (Liquid Voice is legal)
Quagsire - Thousand Waves
Scolipede - Gunk Shot
Smeargle - :whomst:
Starmie - Psycho Boost
Volcanion - Thunderbolt

C Rank
Breloom - Icicle Spear
Buzzwole - Swords Dance (jej)
Crawdaunt - Shell Smash
Cresselia - Defog
Ditto - :bloblhyperthinkfast:
Gliscor - Thousand Arrows
Hydreigon - Spacial Rend
Kabutops - Spikes
Kyurem - Defog
Omastar - Origin Pulse
Pidgeot (Mega) - Focus Blast
Thundurus-T - Tail Glow

C- Rank
Beedrill (Mega) - Gunk Shot
Empoleon - Roost
Necrozma - Geomancy
Shuckle - Toxic Spikes
Victini - High Jump Kick