Metagross @ Custap Berry  
Ability: Clear Body  
EVs: 252 HP / 160 Atk / 96 Spe  
Adamant Nature  
- Meteor Mash  
- Ice Punch  
- Magnet Rise  
- Endure

Tyranitar @ Rock Gem  
Ability: Sand Stream  
EVs: 36 HP / 224 Atk / 248 Spe  
Adamant Nature  
- Dragon Dance  
- Stone Edge  
- Crunch  
- Earthquake

better spread (Manaphy) @ Mail  
Ability: Hydration  
EVs: 248 HP / 244 Def / 16 SpD  
Bold Nature  
IVs: 0 Atk  
- Acid Armor  
- Calm Mind  
- Scald  
- Rest

Aggron @ Choice Band  
Ability: Sturdy  
EVs: 4 HP / 252 Atk / 252 Def  
Brave Nature  
IVs: 0 SpD / 0 Spe  
- Head Smash  
- Heavy Slam  
- Earthquake  
- Metal Burst