Slaking @ Choice Band  
Ability: Truant  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Double-Edge  
- Earthquake  
- Shadow Ball  
- Aerial Ace  

Latios (M) @ Lum Berry  
Ability: Levitate  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Psychic  
- Dragon Claw  
- Thunderbolt  
- Surf  

Metagross @ Leftovers  
Ability: Clear Body  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Meteor Mash  
- Earthquake  
- Shadow Ball  
- Explosion