Metagross-Mega @ Metagrossite  
Ability: Clear Body  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- Stomping Tantrum  
- Protect  
- Ice Punch  

Hydreigon @ Life Orb  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Tailwind  
- Draco Meteor  
- Dark Pulse  
- Protect  

Landorus-Therian @ Assault Vest  
Ability: Intimidate  
EVs: 248 HP / 40 Atk / 52 SpD / 168 Spe  
Adamant Nature  
- Earthquake  
- Rock Tomb  
- Rock Slide  
- Superpower  

Primarina @ Wacan Berry  
Ability: Torrent  
EVs: 248 HP / 156 Def / 100 SpA / 4 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Cannon  
- Moonblast  
- Protect  
- Sparkling Aria