Sorry for the delay on this, but without further ado here is the Updated VR for STAAAB following the release of the dlc! Keep in mind these are subject to change and are not all set in stone, and take into account how a mon would preform in the current meta. Feel free to discuss any placements or make a request for a change! The more discussion the better!
STAAAB VIABILITY RANKINGS
Created by Axgwd and The Number Man
S
Magearna (Regenerator, Triage, Magic Guard, Sheer Force)
A+

Chansey (Unaware, Prankster, Regenerator)

Corviknight (Magic Bounce, Unaware, Regenerator, Intimidate, Thick Fat, Delta Stream, Stamina, Flash Fire, Volt Absorb, Water Absorb)

Jirachi (Regenerator, Magic Guard, Psychic Surge, Prankster, Unburden, Unaware)
Kommo-o (Poison Heal, Regenerator, Unburden, Triage)
Marowak-Alola (Adaptability, Tinted Lens, Desolate Land)
Melmetal (Tinted Lens, Steelworker, Regenerator, Flash Fire)
Type-Null (Regenerator, Unaware, Intimidate, Stamina)
Tyranitar (Regenerator, Bulletproof, Magic Guard, Soundproof)
Volcarona (Desolate Land, Magic Guard, Turboblaze, Tinted Lens)
A
Alakazam (Psychic Surge, Sheer Force)
Chandelure (Desolate Land, Chlorophyll, Tinted Lens)
Excadrill (Magnet Pull, Flash Fire, Regenerator, Technician)
Hydreigon (Poison Heal, Sheer Force, Mega Launcher, Unburden, Dazzling)
Kyurem (Sheer Force, Adaptability, Poison Heal, Technician)
Mamoswine (Technician, Adaptability)
Mandibuzz (Stamina, Magic Bounce, Unaware, Volt Absorb)
Primarina (Poison Heal, Regenerator, Sheer Force, Triage, Tinted Lens, Primordial Sea)
Rotom-Heat (Prankster, Storm Drain, Magnet Pull, Desolate Land, Drought)
Togekiss (Sheer Force, Triage, Magic Bounce, Tinted Lens)
Toxapex (Prankster, Unaware, Volt Absorb, Corrosion)
Urshifu-Rapid-Strike (Poison Heal, Adaptability, Technician)
Urshifu-Single-Strike (Poison Heal, Tough Claws, Adaptability, Guts)
A-
Azumarill (Poison Heal, Volt Absorb, Dauntless Shield, Magic Bounce)
Escavalier (Regenerator, Tinted Lens, Steelworker, Flash Fire)
Ferrothorn (Flash Fire, Triage, Prankster, Regenerator, Magic Bounce)
Gengar (Sheer Force, No Guard, Adaptability, Merciless, Regenerator)
Golisopod (Regenerator, Poison Heal, Triage)
Gyarados (Motor Drive, Magic Guard)
Heracross (Tinted Lens, Adaptability, Triage, Regenerator)
Hippowdon (Intimidate, Magic Bounce, Unaware, Stamina)

Inteleon (Primordial Sea,Tinted Lens, Swift Swim)
Lycanroc (Magic Guard)
Ninjask (Magic Guard)
Talonflame (Magic Guard, Volt Absorb)
Tentacruel (Regenerator)
Weavile (Adaptability, Technician)
B+
Blissey (Unaware, Regenerator, Poison Heal)
Celebi (Triage, Poison Heal)
Cinderace (Desolate Land, Magic Guard, Sheer Force)
Cobalion (Regenerator, Magic Guard)
Dracovish (Poison Heal, Adaptability, Swift Swim)
Dracozolt (Magnet Pull, Adaptability, Poison Heal)
Lucario (Magic Guard, Galvanize, Pixilate, Refrigerate)
Mew (Regenerator, Magic Bounce, Unaware, Poison Heal)
Noivern (Aerilate)
Slowbro (Unaware, Poison Heal)
B
Barraskewda (Adaptability, Primordial Sea)
Bisharp (Adaptability, Chlorophyll, Dry Skin)
Clefable (Regenerator, Poison Heal, Magic Bounce, Intimidate)
Darmanitan (Desolate Land, Magic Guard, Sheer Force, Tough Claws)
Dragalge (Regenerator)
Durant (Regenerator, Tough Claws, Adaptability)
Gallade (Adaptability, Triage)
Goodra (Regenerator)
Gourgeist (Unaware, Magic Bounce)
Hatterene (Psychic Surge, Poison Heal)
Hawlucha (Magic Guard, Poison Heal)
Heliolisk (Galvanize, Adaptability, Prankster)
Lanturn (Regenerator)
Mantine (Regenerator, Volt Absorb)
Milotic (Regenerator)
Oranguru (Stuffed Cheeks)
Porygon Z (Adaptability, Galvanize, Refrigerate)
Rhydon (Regenerator)
Rhyperior (Regenerator, Poison Heal, Magic Guard)
Rotom-Wash (Prankster, Drizzle, Primordial Sea)
Salazzle (Desolate Land, Adaptability)
Seismitoad (Poison Heal, Regenerator)
Skarmory (Magic Bounce, Flash Fire, Stamina)
Slowbro-Galar (Regenerator, Storm Drain)
Sylveon (Pixilate, Regenerator, Soundproof, Storm Drain)
Vaporeon (Poison Heal, Regenerator)
B-
Amoonguss (Unaware, Magic Bounce, Prankster)
Aegislash (Unaware, Regenerator)
Avalugg (Dauntless Shield, Intimidate)
Braviary (Gale Wings, Magic Guard)
Cloyster (Dazzling, Regenerator)
Doublade (Regenerator)
Grimmsnarl (Poison Heal)
Incineroar (Desolate Land, Magic Guard, Poison Heal)
Kingdra (Poison Heal)
Necrozma (Poison Heal, Psychic Surge)
Obstagoon (Poison Heal)
Palossand (Poison Heal, Regenerator, Unaware)
Pikachu (Tough Claws, Galvanize, Refrigerate)
Polteageist (Dazzling)
Porygon 2 (Regenerator, Unaware)
Rotom-Fan (Triage)
Runerigus (Unaware, Poison Heal)
Sirfetch'd (Triage, Tinted Lens)
Snorlax (Poison Heal, Regenerator, Unaware)
Tangrowth (Intimidate, Triage)
Toxtricity (Galvanize, Merciless, Regenerator)
Umbreon (Unaware)
Weezing-Galar (Prankster)