Garchomp (M) @ Dragon Gem  
Ability: Rough Skin  
EVs: 58 HP / 200 Atk / 52 Def / 200 Spe  
Adamant Nature  
- Protect  
- Dragon Claw  
- Earthquake  
- Rock Slide  

Latias @ Leftovers  
Ability: Levitate  
EVs: 252 SpA / 58 SpD / 200 Spe  
Modest Nature  
IVs: 0 Atk  
- Protect  
- Tailwind  
- Psychic  
- Dragon Pulse  

Thundurus @ Sitrus Berry  
Ability: Prankster  
EVs: 171 HP / 126 SpA / 213 SpD  
Modest Nature  
IVs: 0 Atk  
- Thunderbolt  
- Swagger  
- Taunt  
- Thunder Wave  

Metagross @ Lum Berry  
Ability: Clear Body  
EVs: 124 HP / 86 Atk / 100 Def / 4 SpD / 196 Spe  
Adamant Nature  
- Meteor Mash  
- Zen Headbutt  
- Earthquake  
- Protect  

Mamoswine @ Focus Sash  
Ability: Thick Fat  
EVs: 124 HP / 144 Atk / 44 SpD / 196 Spe  
Jolly Nature  
- Icicle Crash  
- Protect  
- Rock Slide  
- Knock Off  

Yanmega @ Life Orb  
Ability: Speed Boost  
EVs: 252 SpA / 58 SpD / 200 Spe  
Modest Nature  
IVs: 0 Atk  
- Giga Drain  
- Detect  
- Air Slash  
- Bug Buzz