Gogoat @ Leftovers  
Ability: Grass Pelt  
EVs: 252 HP / 252 Def / 4 SpA  
Relaxed Nature  
IVs: 30 Atk  
- Giga Drain  
- Hidden Power [Fire]  
- Rock Slide  
- Milk Drink  

Rillaboom @ Choice Band  
Ability: Grassy Surge  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Grassy Glide  
- Knock Off  
- U-turn  
- Wood Hammer  

Magnezone @ Choice Specs  
Ability: Magnet Pull  
Hidden Power: Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk / 30 SpA / 30 Spe  
- Thunderbolt  
- Hidden Power [Fire]  
- Flash Cannon  
- Volt Switch  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  
- Psychic  

Diancie-Mega @ Diancite  
Ability: Clear Body  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Mystical Fire  
- Moonblast  
- Earth Power  

Gastrodon @ Leftovers  
Ability: Storm Drain  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk  
- Scald  
- Earth Power  
- Clear Smog  
- Recover