Pelipper @ Heavy-Duty Boots
Ability: Drizzle
Tera Type: Water
EVs: 252 HP / 252 Def / 4 SpA
Relaxed Nature
IVs: 21 Spe
- Roost
- U-turn
- Hurricane
- Defog

Barraskewda @ Choice Band
Ability: Swift Swim
Tera Type: Water
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Liquidation
- Flip Turn
- Poison Jab / Psychic Fangs
- Close Combat

Greninja @ Choice Scarf
Ability: Protean
Tera Type: Water
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Ice Beam
- Dark Pulse
- U-turn
- Gunk Shot / Low Kick

Toxapex @ Black Sludge 
Ability: Regenerator
Tera Type: Poison
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Toxic
- Recover
- Poison Jab
- Haze

Swampert @ Leftovers
Ability: Torrent
Tera Type: Water
EVs: 240 HP / 16 Def / 252 SpD
Careful Nature
- Stealth Rock
- Flip Turn
- Earthquake
- Roar

Manaphy @ Waterium Z
Ability: Hydration
Tera Type: Water
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Rain Dance
- Tail Glow
- Surf
- Psychic