Gengar-Mega @ Spooky Plate  
Ability: Wonder Guard  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dark Void  
- Judgment  
- Sludge Wave  
- Secret Sword  

Kyogre-Primal @ Mental Herb  
Ability: Mold Breaker  
EVs: 104 HP / 252 SpA / 4 SpD / 148 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Steam Eruption  
- Freeze-Dry  
- Spore  

Registeel @ Shed Shell  
Ability: Magic Bounce  
EVs: 252 HP / 48 Atk / 208 SpD  
Careful Nature  
- Icicle Spear  
- Whirlwind  
- Defog  
- Recover  

Gyarados-Mega @ Shed Shell  
Ability: Huge Power  
EVs: 156 HP / 252 Atk / 4 SpD / 96 Spe  
Adamant Nature  
- Sucker Punch  
- Pursuit  
- Water Shuriken  
- Ice Shard  

Audino-Mega @ Leftovers  
Ability: Wonder Guard  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Parting Shot  
- Chatter  
- Roost  
- Stealth Rock  

Giratina @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 236 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Encore  
- Dark Void  
- Roost  
- Curse