Keldeo @ Lucarionite  
Ability: Justified  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Pump  
- Secret Sword  
- Substitute  
- Calm Mind  

Regieleki @ Altarianite  
Ability: Transistor  
EVs: 252 Atk / 116 Def / 140 Spe  
Naughty Nature  
- Extreme Speed  
- Volt Switch  
- Wild Charge  
- Explosion  

Blissey (F) @ Ampharosite  
Ability: Natural Cure  
EVs: 240 HP / 252 Def / 16 SpA  
Modest Nature  
IVs: 0 Atk  
- Flamethrower  
- Toxic  
- Soft-Boiled  
- Stealth Rock  

Toxapex @ Gyaradosite  
Ability: Regenerator  
Shiny: Yes  
EVs: 244 HP / 24 Atk / 240 SpD  
Careful Nature  
- Poison Jab  
- Knock Off  
- Recover  
- Toxic Spikes  

Ho-Oh @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 252 HP / 184 Def / 52 SpD / 20 Spe  
Impish Nature  
- Sacred Fire  
- Defog  
- Recover  
- Whirlwind  

Hippowdon @ Pinsirite  
Ability: Sand Stream  
EVs: 252 HP / 200 Def / 56 SpD  
Impish Nature  
- Earthquake  
- Facade  
- Slack Off  
- Curse