Zygarde @ Choice Scarf  
Ability: No Guard  
EVs: 208 HP / 164 Def / 136 Spe  
Timid Nature  
IVs: 0 Atk  
- Sheer Cold  
- Trick  
- Inferno  
- Gastro Acid  

Diancie-Mega @ Lum Berry  
Ability: Pixilate  
EVs: 248 HP / 252 Atk / 4 Def / 4 SpA  
Brave Nature  
- Fake Out  
- Extreme Speed  
- Boomburst  
- Stealth Rock  

Slaking (F) @ Lum Berry  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Baton Pass  
- Sleep Talk  
- Sheer Cold  
- Extreme Speed  

Giratina @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Encore  
- Curse  
- Recover  

Gengar-Mega @ Spooky Plate  
Ability: Mold Breaker  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Judgment  
- Secret Sword  
- Dark Void  

Gyarados-Mega @ Lum Berry  
Ability: Huge Power  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Pursuit  
- Sucker Punch  
- Gastro Acid  
- Water Shuriken