A (Latios) @ Lum Berry  
Ability: Levitate  
Level: 50  
EVs: 20 HP / 4 Def / 252 SpA / 4 SpD / 228 Spe  
Modest Nature  
IVs: 0 Atk  
- Psychic  
- Thunderbolt  
- Ice Beam  
- Calm Mind  

Tauros @ Choice Band  
Ability: Intimidate  
Level: 50  
EVs: 24 HP / 252 Atk / 232 Spe  
Hardy Nature  
IVs: 30 Atk / 30 SpD  
- Return  
- Hyper Beam  
- Earthquake  
- Hidden Power [Ghost]  

Blissey @ Leftovers  
Ability: Natural Cure  
Level: 50  
EVs: 12 HP / 252 Def / 244 Spe  
Bold Nature  
IVs: 0 Atk  
- Thunder Wave  
- Soft-Boiled  
- Aromatherapy  
- Seismic Toss