Greninja @ Choice Specs  
Ability: Protean  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Sludge Wave  
- Ice Beam  
- Dark Pulse  
- U-turn  

Keldeo @ Fightinium Z  
Ability: Justified  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Secret Sword  
- Taunt  

Gyarados-Mega @ Gyaradosite  
Ability: Intimidate  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Crunch  
- Earthquake  
- Substitute  

Empoleon @ Leftovers  
Ability: Competitive  
Tera Type: Water  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
- Flash Cannon  
- Defog  
- Flip Turn  
- Roost  

Gastrodon @ Heavy-Duty Boots  
Ability: Sticky Hold  
Tera Type: Water  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Earth Power  
- Ice Beam  
- Recover  

Azumarill @ Leftovers  
Ability: Sap Sipper  
Tera Type: Water  
EVs: 248 HP / 96 Def / 164 SpD  
Bold Nature  
- Whirlpool  
- Perish Song  
- Knock Off  
- Protect