Brandon Water Team

Blastoise @ Leftovers
Ability: Rain Dish
EVs: 252 HP / 4 Def / 252 SpA
Quiet Nature
- Rain Dance
- Hydro Pump
- Earthquake
- Aqua Jet

Gyarados @ Gyaradosite
Ability: Intimidate
Shiny: Yes
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Earthquake
- Dragon Tail
- Ice Fang
- Waterfall

Azumarill @ Sitrus Berry
Ability: Huge Power
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Belly Drum
- Aqua Jet
- Aqua Ring
- Superpower

Slowbro @ Leftovers
Ability: Oblivious
EVs: 4 HP / 252 Def / 252 SpA
Modest Nature
- Slack Off
- Scald
- Psyshock
- Calm Mind

Tentacruel @ Black Sludge
Ability: Rain Dish
Shiny: Yes
EVs: 252 HP / 252 SpA
Modest Nature
- Toxic Spikes
- Rain Dance
- Wring Out
- Hydro Pump

Moby Kek (Wailord) @ Chesto Berry
Ability: Oblivious
Shiny: Yes
EVs: 252 Atk / 128 Def / 128 SpD
Adamant Nature
- Curse
- Rest
- Waterfall
- Avalanche