I will now be concluding the threat discussion, using the great input I was able to gather from this thread so far. I'm really happy with this list and how it has turned out.
Pokemon we want to beat:
Sun:
Heatran, Blacephalon, Crawdaunt, Mega Latios, Pajantom, Zygarde,
Sand:
Heatran, Landorus-T, Tapu Bulu, Tomohawk
Pokemon we want to pressure/threaten:
Mega Mawille, Mega Charizard X, Cawmodore, Ash Greninja, Kartana, Marowak-Alola, Celesteela
Pokemon we want to check Cap24:
Fire-Types: Mega Charizard Y, Volcarona, Marowak-Alola, Pyroak(Sand)
Steel Types: Mega Scizor, Excadrill, Magearna
Poison Types: Plasmanta, Fidgit, Mollux, Crucibelle, Mega Crucibelle
Priority Users: Kitsunoh, Mega Pinsir, Mega Scizor, Syclant, Cawmodore
Other: Mega Alakazam
Special Wall: Chansey
Pokemon we want to counter Cap24:
Mega Venusaur
Pyroak(Sun)
Toxapex