Your setup is iffy. The combo sort of works. SS works well. The movesets are fine, but I think cacturn wont survive long. He's more of an attacket than an annoyer (he has annoying moves but not the defenses to back them up.) Both are weak to fire, which isn't that great. Skarm at least covers cacturns fighting weakness.
Then you go into your next dou, but. Remember they aren't going to KO both poges at once, one will stay alive and you'll need to replace. Don't make dous that only work together. The team must have synergy and work together.
But Claydol and swampert do work with the beginning poges so you are ok. The sandstorm will be passed and things will be good. It seems weird havin all the grounds but I guess it works. Big weakness to grass though. I would put ice beam on swampert and allso switch his eqauke for toxic will giving claydol equake over toxic so he can have a STAB attack. What if swampy dies?
Your hazer is basic. Metacross with agility? I think there are better moves. and if you plan for him to defend your hazer I would not recomend this. Maybe a status move instead, or rest maybe.
Actually I think you have a 5x or so weakness to ice. Cacturn, skarm, claydol, swamp, and alteria all have weaknesses to it. I think. Fire weakness isn't so bad because you have so many Equakers. 3 fliers/levitaters 2 equakers. toxic and a good SS team with only one affect poke. Not bad. Try to cover your ice weakness some how.