Volcarona @ Life Orb  
Ability: Flame Body  
Level: 50  
EVs: 12 HP / 52 Def / 248 SpA / 4 SpD / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Bug Buzz  
- Heat Wave  
- Quiver Dance  
- Protect  

Metagross @ Psychic Gem  
Ability: Clear Body  
Level: 50  
EVs: 220 HP / 164 Atk / 4 Def / 68 SpD / 52 Spe  
Adamant Nature  
- Meteor Mash  
- Zen Headbutt  
- Bullet Punch  
- Protect  

Amoonguss @ Mental Herb  
Ability: Regenerator  
Level: 50  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Spore  
- Rage Powder  
- Giga Drain  
- Sunny Day  

Latios (M) @ Dragon Gem  
Ability: Levitate  
Level: 50  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 2 Atk / 30 SpA / 30 SpD  
- Draco Meteor  
- Hidden Power [Ground]  
- Protect  
- Tailwind  

Hitmontop @ Fighting Gem  
Ability: Intimidate  
Level: 50  
EVs: 192 HP / 252 Atk / 64 Spe  
Adamant Nature  
- Fake Out  
- Close Combat  
- Quick Guard  
- Wide Guard  

Thundurus (M) @ Sitrus Berry  
Ability: Prankster  
Level: 50  
EVs: 156 HP / 252 SpD / 100 Spe  
Calm Nature  
IVs: 2 Atk / 30 Def  
- Thunderbolt  
- Hidden Power [Ice]  
- Thunder Wave  
- Taunt