Metagross-Mega @ Metagrossite  
Ability: Tough Claws  
Level: 50  
EVs: 18 HP / 25 Atk / 3 Def / 15 SpD / 5 Spe  
Adamant Nature  
- Iron Head  
- Psychic Fangs  
- Body Press  
- Protect  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
Level: 50  
EVs: 10 HP / 32 Atk / 7 Def / 6 SpD / 11 Spe  
Adamant Nature  
- Earthquake  
- Wave Crash  
- Ice Punch  
- Protect  

Pelipper @ Focus Sash  
Ability: Drizzle  
Level: 50  
EVs: 2 HP / 32 SpA / 32 Spe  
Timid Nature  
- Tailwind  
- Hurricane  
- Weather Ball  
- Protect  

Basculegion (M) @ Mystic Water  
Ability: Swift Swim  
Level: 50  
EVs: 2 HP / 32 Atk / 32 Spe  
Jolly Nature  
- Wave Crash  
- Aqua Jet  
- Last Respects  
- Protect  

Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
Level: 50  
EVs: 32 HP / 16 Def / 18 SpD  
Calm Nature  
- Reflect  
- Light Screen  
- Foul Play  
- Parting Shot  

Sylveon @ Fairy Feather  
Ability: Pixilate  
Level: 50  
EVs: 25 HP / 11 Def / 28 SpA / 2 SpD  
Modest Nature  
- Hyper Voice  
- Hyper Beam  
- Quick Attack  
- Detect