Greninja @ Choice Scarf  
Ability: Protean  
EVs: 172 Atk / 84 SpA / 252 Spe  
Hasty Nature  
- Spikes  
- Gunk Shot  
- Ice Beam  
- U-turn  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Shiny: Yes  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Diamond Storm  
- Earth Power  
- Encore  
- Moonblast  

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

Garchomp @ Rocky Helmet  
Ability: Rough Skin  
EVs: 252 HP / 200 Def / 56 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Toxic  
- Dragon Tail  

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

Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
- Soft-Boiled  
- Thunder Wave  
- Teleport  
- Seismic Toss