Pelipper @ Heavy-Duty Boots  
Ability: Drizzle  
Tera Type: Water  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Spe  
- Defog  
- Hurricane  
- U-turn  
- Roost  

Greninja @ Choice Specs  
Ability: Protean  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Pump  
- Dark Pulse  
- Extrasensory  
- Ice Beam  

Empoleon @ Heavy-Duty Boots  
Ability: Competitive  
Tera Type: Water  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
- Defog  
- Flip Turn  
- Flash Cannon  
- Roost  

Barraskewda @ Life Orb  
Ability: Swift Swim  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Poison Jab  
- Liquidation  
- Close Combat  
- Flip Turn  

Kingdra @ Life Orb  
Ability: Swift Swim  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Hurricane  
- Draco Meteor  
- Flip Turn  
- Weather Ball  

Swampert-Mega @ Swampertite  
Ability: Torrent  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Flip Turn  
- Earthquake  
- Ice Punch