Hi Kusanagi Dark
Solid sun team you have here, I think you have a lot of offensive presence that can put pressure on your opponent. Looking at your team, there is a weakness to
Quiver Dance Volcarona. After a Quiver Dance, the moth outspeeds your entire team save Victreebel and can really do a number with Fire Blast and Bug Buzz as both of your resists (Ninetales and Darmanitan) don't have the greatest of defenses. Another threat to your team is opposing
Chlorophyll Venusaur who can outspeed everything under your team under the sun and hit extremely hard with its standard coverage of Giga Drain / Hidden Power Fire / Sludge Bomb. Lastly, special attacking Dragon types such as
Latios and Latias can give you trouble as nothing can really sponge Draco Meteors so every time one of them switches in freely, something is going to be taken out. For these threats, I suggest replacing Scizor with a
Specially Defensive Heatran with a moveset of
Lava Plume / Earth Power / Roar / Toxic. Specially Defensive Heatran can easily check Volcarona and Venusaur as long as they don't make Hidden Power Ground and Earthquake respectively which is quite rare on both. He can Roar out the former to rid it of its Quiver Dance boosts while forcing it to take extra Stealth Rock and take out the latter easily with a Lava Plume. With his Steel typing and great special defense bulk, Heatran can take Draco Meteors and cripple Latios and Latias with Toxic. Earth Power allows Heatran to hit opposing Heatrans and Roar allows him to phaze out boosting sweepers.
Now as previously mentioned, a
Chlorophyll Venusaur is more effective as a sweeper than Victreebel. I suggest a set with
Growth / Giga Drain / Hidden Power Fire / Sludge Bomb. Despite Victreebel having its Speed doubled under sun, it can still be outsped by common scarfers such as Latios and Terrakion and then get revenged. Venusaur outspeeds both Scarf Latios and Scarf Terrakion under sunlight. Sludge Bomb gives you a strong way to hit Dragon types with STAB and a boost from Life Orb especially after a Growth boost.
Sets:
tl;dr