The team:
 
L (Latios) (M) @ Lum Berry
Ability: Levitate
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe
Sassy nature  
IVs: 31 HP / 0 Atk / 31 Def / 31 SpA / 31 SpD / 31 Spe  
- Psychic
- Dragon Claw
- Thunderbolt
- Surf
 
R (Raikou) @ Magnet
Ability: Pressure
Level: 50  
EVs: 84 HP / 36 Def / 252 SpA / 12 SpD / 124 Spe
Hasty nature  
IVs: 31 HP / 0 Atk / 31 Def / 31 SpA / 31 SpD / 31 Spe  
- Thunderbolt 
- (no move)
- (no move)
- (no move)
 
M (Medicham) @ Choice Band
Ability: Pure Power
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Hasty nature  
IVs: 31 HP / 31 Atk / 31 Def / 31 SpA / 31 SpD / 31 Spe 
- Brick Break
- (no move)
- (no move)
- (no move)