Groudon-Primal @ Shed Shell  
Ability: Magic Bounce  
EVs: 248 HP / 8 SpA / 252 SpD  
Bold Nature  
IVs: 0 Atk  
- Lava Plume  
- Whirlwind  
- Heal Bell  
- Soft-Boiled  

Mewtwo-Mega-Y @ Choice Specs  
Ability: Mold Breaker  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Psycho Boost  
- Moonblast  
- Boomburst  

Giratina @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 252 Def / 4 SpD / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Encore  
- Curse  
- Heal Order  
- Glare  

Spiritomb @ Flame Orb  
Ability: Wonder Guard  
Level: 2  
EVs: 76 HP / 212 Def / 212 SpD  
Sassy Nature  
IVs: 0 Atk / 0 SpA  
- Magic Coat  
- Stealth Rock  
- Psycho Shift  
- Pain Split  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Wish  
- Chatter  
- Heal Bell  
- Whirlwind  

Audino-Mega @ Leftovers  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Recover  
- Parting Shot  
- Defog  
- Whirlwind