Metagross @ Choice Band  
Ability: Clear Body  
Level: 50  
EVs: 12 HP / 252 Atk / 244 Spe  
Adamant Nature  
- Hidden Power [Steel]  
- Earthquake  
- Aerial Ace  
- Explosion  

Latios @ Lum Berry  
Ability: Levitate  
Level: 50  
EVs: 12 HP / 28 Def / 244 SpA / 4 SpD / 220 Spe  
Timid Nature  
IVs: 29 HP / 0 Atk / 29 Def / 29 SpA  
- Psychic  
- Ice Beam  
- Thunderbolt  
- Calm Mind  

Swampert @ Leftovers  
Ability: Torrent  
Level: 50  
EVs: 252 HP / 12 Atk / 240 SpD  
Impish Nature  
- Earthquake  
- Hidden Power [Rock]  
- Curse  
- Rest