Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Stealth Rock  
- Moonblast  
- Diamond Storm  
- Earth Power  

MagneGogeta (Magnezone) @ Choice Specs  
Ability: Magnet Pull  
EVs: 80 HP / 252 SpA / 176 Spe  
Modest Nature  
IVs: 0 Atk  
- Hidden Power [Fire]  
- Thunderbolt  
- Volt Switch  
- Flash Cannon  

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

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 252 HP / 192 Def / 64 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Taunt  
- Draining Kiss  
- Scald  

Corviknight @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 184 Def / 72 SpD  
Impish Nature  
- Defog  
- U-turn  
- Brave Bird  
- Roost  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Earth Power  
- Hidden Power [Ice]  
- U-turn  
- Knock Off