Mewtwo-Mega-Y @ Focus Sash  
Ability: Psychic Surge  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Stored Power  
- Moongeist Beam  
- Secret Sword  

Mewtwo-Mega-Y @ Fightinium Z  
Ability: Sturdy  
EVs: 252 HP / 252 Atk / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
IVs: 0 Def  
- Counter  
- Shell Smash  
- Psycho Boost  
- Strength Sap  

Registeel @ Iapapa Berry  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Destiny Bond  
- Haze  
- U-turn  
- Shore Up  

Audino-Mega @ Safety Goggles  
Ability: Magic Bounce  
Level: 99  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
- Core Enforcer  
- U-turn  
- Defog  
- Milk Drink  

Chansey @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Fake Out  
- Whirlwind  
- Final Gambit  
- Soft-Boiled  

Giratina @ Safety Goggles  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Spectral Thief  
- Core Enforcer  
- Stealth Rock  
- Heal Order