Pokémon Rate My Team - Hyper Offensive Sweeper OU (For Showdown)

Question

This is my team:
Sapphira (Primarina) (F) @ Primarium Z
Ability: Torrent
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Sparkling Aria
- Hydro Pump
- Moonblast
- Hyper Voice

Sharkordver (Garchomp) (M) @ Life Orb
Ability: Rough Skin
EVs: 252 Atk / 4 SpD / 248 Spe
Jolly Nature
- Dragon Rush
- Dragon Claw
- Earthquake
- Sandstorm

Lápis-Firezi (Salazzle) @ Focus Sash
Ability: Corrosion
EVs: 248 SpA / 12 SpD / 248 Spe
Timid Nature
IVs: 0 Atk
- Dragon Pulse
- Fire Blast
- Sludge Bomb
- Encore

Rockanide (Lycanroc) (M) @ Adrenaline Orb
Ability: Keen Eye
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Brick Break
- Stone Edge
- Hidden Power (Fighting)
- Bulk Up

Karlo (Passimian) (M) @ Iron Ball
Ability: Receiver
EVs: 252 HP / 252 Atk / 4 SpA
Naughty Nature
- Close Combat
- Focus Blast
- Fling
- Reversal

Pompipom (Oricorio-Pom-Pom) (F)
Ability: Dancer
EVs: 252 HP / 4 Atk / 252 SpA
Mild Nature
- Hurricane
- Revelation Dance
- Acrobatics
- Calm Mind

Please rate from 0 to 10 (Like IGN: 7.8 Too Much Water =P)

Comments

6/10
Could be much better. You have some outclassed Pokemon like Oricorio and
Passimian, and while it is a good try of a HO OU team, it needs a dedicated lead for setting Stealth Rock. I'll suggest full changes later.

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P.S.: I am a starter in this universe, i do not even have a 3DS, its just for testing in showdown. Thank You!