S Rank
Latios (Contrary, weather ability, Mold Breaker, Regenerator)
A Rank
Arceus (Mold Breaker, Poison Heal, Unaware)
Chansey (Imposter)
Cresselia (Unaware)
Giratina (Magic Bounce, Poison Heal, weather setter, Unaware, Normalize)
Groudon (Illusion, Prankster, Poison Heal)
Ho-Oh (Magnet Pull, Magic Guard, Chlorophyll, Tinted Lens, Mold Breaker)
Kyogre (Drizzle, Swift Swim, Poison Heal, Mold Breaker)
Kyurem-Black (Adaptability)
Kyurem-White (Contrary)
Landorus-Therian (Prankster)
Palkia (Swift Swim)
Pokestar MT (Flash Fire, others)
Pokestar MT2 (Flash Fire, others)
Pokestar Spirit (Poison Heal, Unaware)
Rayquaza (Contrary, Illusion, Magic Guard)
Regigigas, Slaking (Poison Heal, Normalize)
Reshiram (Chlorophyll, Contrary)
B Rank
Archeops (Poison Heal, Magic Guard)
Dialga (weather setter, Regenerator, Adaptability)
Deoxys-Attack (Sheer Force, etc)
Giratina-Origin (Poison Heal, Normalize)
Infernape (Tinted Lens, Magnet Pull)
Jirachi (Dry Skin, etc)
Latias (see Latios)
Lugia (Magic Guard, etc)
Mewtwo (Sheer Force, Adaptability, some others)
Pokestar UFO (Magic Bounce)
Registeel (weather setter, Magic Bounce, etc)
Shaymin (Poison Heal, Drizzle)
Shedinja (Sturdy)
Tyranitar (Sand Stream, Levitate, Dry Skin, Poison Heal)
Zekrom (Poison Heal, Contrary)
C Rank
Arceus-Flying (Multitype)
Arceus-Rock (Multitype)
Arceus-Steel (Multitype)
Darkrai (No Guard, Poison Heal)
Deoxys-Speed (Mold Breaker, Poison Heal)
Ferrothorn (Flash Fire, Scrappy)
Genesect (No Guard)
Gengar (Normalize)
Keldeo (Tinted Lens, Drizzle, Poison Heal)
Landorus (Sheer Force)
Pokestar UFO2 (Mold Breaker)
Raikou (Dry Skin)
Scizor (Unaware, Dry Skin)
Shaymin-Sky (Sheer Force)
Suicune (Magic Bounce, Scrappy)
Terrakion (Magic Guard)
Thundurus-Therian (Sheer Force)
NEEDS FURTHER EXPLORATION
Other Multitype Arceus formes
Blissey (Imposter, Unaware, Poison Heal)
Pikachu (Imposter)
Pokestar Brycen-Man
Pokestar F-002
Pokestar Monster
Shuckle (Unaware)