Team Goo take 1

Goodra @ Damp Rock
Ability: Sap Sipper
EVs: 252 SDef / 252 HP / 4 SAtk
Calm Nature
- Rain Dance
- Thunder
- Ice Beam
- Protect

Gastrodon @ Sitrus Berry
Ability: Storm Drain
EVs: 252 SAtk / 252 HP / 4 SDef
Modest Nature
- Surf
- Ice Beam
- Earth Power
- Protect

Muk @ Black Sludge
Ability: Poison Touch
EVs: 252 Atk / 252 HP / 4 SDef
Adamant Nature
- Shadow Sneak
- Gunk Shot
- Ice Punch
- Protect

Jellicent @ Sitrus Berry
Ability: Water Absorb
EVs: 252 HP / 252 SAtk / 4 Def
Modest Nature
IVs: 0 Spd
- Surf
- Trick Room
- Shadow Ball
- Protect

Lil Muk (Ditto) @ Choice Scarf
Ability: Imposter
EVs: 252 Def / 248 HP / 8 SDef
Bold Nature
- Transform

Castform @ Damp Rock
Ability: Forecast
EVs: 252 HP / 4 SAtk / 252 Spd
Timid Nature
- Rain Dance
- Thunder Wave
- Guard Swap
- Protect