Slaking (F) @ Choice Band  
Ability: Truant  
Level: 50  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
IVs: 30 HP / 29 SpA / 29 SpD / 30 Spe  
- Double-Edge  
- Earthquake  
- Shadow Ball  
- Aerial Ace  

Metagross @ Leftovers  
Ability: Clear Body  
Level: 50  
EVs: 200 HP / 252 Atk / 56 Def  
Adamant Nature  
IVs: 30 Atk / 8 Def / 6 SpA  
- Meteor Mash  
- Earthquake  
- Shadow Ball  
- Explosion  

Latios @ Lum Berry  
Ability: Levitate  
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 18 HP / 2 Atk / 4 Def / 30 Spe  
- Calm Mind  
- Psychic  
- Ice Beam  
- Thunderbolt