Metagross-Mega @ Metagrossite  
Ability: Tough Claws  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Zen Headbutt  
- Hammer Arm  
- Bullet Punch  
- Pursuit  

Dragonite @ Lum Berry  
Ability: Multiscale  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Outrage  
- Extreme Speed  
- Fire Punch  

Serperior @ Coba Berry  
Ability: Contrary  
EVs: 208 HP / 48 SpA / 252 Spe  
Timid Nature  
IVs: 1 Atk / 30 Def / 30 SpD / 30 Spe  
- Leaf Storm  
- Hidden Power [Rock]  
- Taunt  
- Glare  

Keldeo @ Choice Specs  
Ability: Justified  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Scald  
- Secret Sword  
- Hydro Pump  
- Focus Blast  

Cresselia (F) @ Eject Button  
Ability: Levitate  
EVs: 252 HP / 140 Def / 88 SpD / 28 Spe  
Bold Nature  
- Lunar Dance  
- Thunder Wave  
- Ice Beam  
- Moonlight  

Excadrill @ Mental Herb  
Ability: Mold Breaker  
EVs: 32 HP / 56 Def / 168 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Rapid Spin  
- Earthquake  
- Rock Tomb