S Rank: Reserved for Pokemon that are amazing in the Inheritance metagame. These Pokemon are usually able to perform a variety of roles effectively, or can just do one extremely well. Their use has low risk involved and high reward exerted. Pokemon in this rank have very few flaws that are patched up by numerous positive traits.
S Rank
Landorus-T (Talonflame, Kecleon, Salamence-Mega, Ho-oh)
Suicune (Masquerain, Quagsire, Slowking)
A Rank: Reserved for Pokemon that are fantastic in the Inheritance metagame, and can sweep, support, or wall significant portions of the metagame. These Pokemon require less support than most others to be used effectively and have few flaws that can easily be compensated for when compared to their positive traits.
A+ Rank
Cresselia (Xatu, Murkrow, Sableye-Mega, Sigilyph, Clefable, Breloom, Swoobat, Venomoth)
Pinsir-Mega (Lucario, Rayquaza, Genesect, Linoone)
Glalie-Mega (Lucario, Rayquaza, Genesect, Linoone, Noivern)
Terrakion (Spinda, Lucario-Mega, Heracross-Mega, Machamp, Breloom, Omastar, Conkeldurr)
Gyarados-Mega (Huntail, Crawdaunt, Carracosta)
Azelf (Kecleon, Greninja)
A Rank
Snorlax (Gliscor, Breloom)
Weavile (Glalie-Mega, Darkrai)
Altaria-Mega (Rayquaza, Lucario, Genesect, Dragonite, Linoone)
Metagross-Mega (Genesect, Pikachu, Deoxys)
Chansey (Mega Sableye, Clefable, Mew)
Heatran (Flygon, Hydreigon, Victreebel, Groudon-Primal)
Thundurus (Kecleon, Greninja, Kyogre, Nidoking)
Doublade (Xatu, Flareon, Solrock, Arcanine, Flygon)
A- Rank
Tyranitar (Crawdaunt, Absol-Mega, Shuckle)
Genesect (Kyogre-Primal, Beedrill Mega, Venomoth)
Lopunny-Mega (Lucario, Linoone)
Salamence (Talonflame, Kecleon, Salamence-Mega, Rayquaza-Mega)
Excadrill (Lucario-Mega, Toxicroak, Blaziken, Larvitar)
Medicham-Mega (Lucario-Mega, Scrafty)
Latios (Swoobat, Kecleon, Dragalge, Reshiram, Nidoking, Druddigon)
Greninja(Kyogre, Deoxys, Manaphy, Crawdaunt, Blastoise-Mega)
B Rank: Reserved for Pokemon that are great in the Inheritance metagame. These Pokemon have more notable flaws than those above them that affect how they function in the tier. Their positive traits still outshine their negatives, but they require a bit more team support to bring out their full potential.
B+ rank
Diancie-Mega (Manaphy, Absol-Mega, Mew, Rayquaza, Mawile)
Mega Charizard X (Victini, Rayquaza)
Rotom-Wash (Kyogre-Primal)
Ursaring (Lucario-Mega, Pikachu, Genesect, Linoone)
Latias (Clefable, Greninja)
Hippowdon (Ho-oh, Gliscor, Quagsire)
Gengar (Nidoking, Rampardos, Zoroark)
Garchomp (Trapinch, Pangoro, Gliscor, Larvitar)
Manaphy (Masquerain)
Mew (Clefable, Swoobat )
Aerodactyl-Mega (Rayquaza-Mega, Staraptor)
Alakazam (Kecleon, Darmanitan)
Rhypherior (Quagsire)
Mamoswine(Lucario-Mega, Glalie-Mega)
Gardevoir-Mega (Exploud, Noivern, Chatot, Flygon)
Goodra (Slowking, Mienshao)
Lucario-Mega (Lucario-Mega, Genesect, Aegislash)
B rank
Diancie (Cradily, Gastrodon, Mienshao, Clefable, Quagsire, Lunatone, Flygon)
Blastoise-Mega(Kyogre)
Porygon-Z (Noivern, Chatot, Whimsicott)
Meloetta(Whimscott, Exploud, Chatot, Noivern)
Gothitelle (Gothitelle)
Togekiss (Xerneas)
Slowbro-Mega (Masquerain, swoobat)
Raikou (Kyogre-Primal, Mesprit, Manectric-Mega, Latias)
Celebi (Sigilyph, Breloom)
Entei (Ho-Oh)
Throh (Breloom, Meinshao)
Ferrothorn (Heatran, Arcanine)
Houndoom-Mega (Zoroark, Mega Charizard Y, Ninetales)
Pidgeot-Mega (Noivern, Regice, Genesect, Dragonite, Chatot, Whimsicott, Mewtwo)
B- rank
Empoleon (Kyogre-Primal)
Bisharp (Aerodactyl-Mega)
Zapdos (Ho-Oh)
Starmie (Kyogre-Primal)
Skarmory (Talonflame, Arcanine, Flareon)
Regirock (Mienshao, Quagsire, Clefable, Hippowdon)
Gardevoir (Xerneas, Mega-Altaria)
Kyurem-N (Abomasnow, Aurorus)
Scizor-Mega(Klingklang)
Rhydon (Quagsire, Flygon, Solrock)
Aegislash (Xatu, Flareon, Solrock, Arcanine, Flygon)
Registeel (Xatu, Flareon, Solrock, Arcanine,Flygon)