S
Groudon-Primal
Zygarde

A+
Lunala
Magearna
Terrakion

A
Arceus-Fairy
Arceus-Ground
Entei (Pinsirite first)
Kartana
Tapu Lele

A-
Blissey
Ho-Oh
Mandibuzz
Mew
Toxapex (Add Banettite)
Victini (Add Lucarionite)
Zeraora

B+
Darkrai
Kyogre-Primal
Metagross
Necrozma-Dusk-Mane
(Slowbro)
Zapdos (Add Red Orb)

B
Arceus-Rock
Arceus-Water
Buzzwole (remove Venusaurite)
Ditto
Golisopod
Landorus-Incarnate (Add Salamencite)
Mamoswine
Necrozma-Ultra
Noivern
(Slowbro)
Tyranitar
Xurkitree

B-
Genesect
Giratina-Origin
Manaphy
Xerneas
Yveltal
Zygarde-Complete

C+
Keldeo
Raikou
Rayquaza
Skarmory
Weavile

C
Excadrill
Garchomp
Gengar (Lucarionite, Diancite)
Latias
Palossand (Slowbronite)
Stakataka

C-
Arceus
Deoxys-Defense
Hippowdon (Add Altarianite, possibly remove Venusaurite)
Moltres
Tapu Koko
Zekrom