Okay VP, I'm working on a rain team, and I'd like it if you guys could critique these guys and let me know what you would change

Toxicroak @ Black Sludge
Ability: Dry Skin
EVs: 252 Atk / 252 Spd / 4 HP
Adamant Nature
- Poison Jab
- Earthquake
- Sucker Punch
- Drain Punch

Goodra @ Assault Vest
Ability: Hydration
EVs: 252 SAtk / 252 HP / 4 SDef
Modest Nature
- Absorb
- Dragon Pulse
- Ice Beam
- Fire Blast

Tentacruel @ Leftovers
Ability: Rain Dish
EVs: 252 SDef / 252 HP / 4 Atk
Careful Nature
- Giga Drain
- Rain Dance
- Scald
- Sludge Bomb

Blastoise @ Blastoisinite
Ability: Rain Dish
EVs: 252 SAtk / 252 HP / 4 SDef
Modest Nature
- Rain Dance
- Dark Pulse
- Water Pulse
- Rapid Spin

Noivern @ Expert Belt
Ability: Infiltrator
EVs: 252 Spd / 252 SAtk / 4 SDef
Timid Nature
IVs: 30 Atk / 30 SAtk / 30 Spd
- Flamethrower
- Hurricane
- Dragon Pulse
- Focus Blast

Lapras @ Damp Rock
Ability: Water Absorb
EVs: 252 SDef / 252 HP / 4 Def
Calm Nature
- Toxic
- Perish Song
- Protect
- Curse