Diancie-Mega @ Pixie Plate  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
- Shell Smash  
- Boomburst  
- Sunsteel Strike  
- Extreme Speed  

Scizor-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- U-turn  
- Shore Up  
- Defog  
- Will-O-Wisp  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Soft-Boiled  
- Anchor Shot  
- Perish Song  
- Stealth Rock  

Meloetta @ Darkinium Z  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Spectral Thief  
- Parting Shot  
- Aromatherapy  
- Shore Up  

Doublade @ Eviolite  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Anchor Shot  
- Haze  
- Will-O-Wisp  
- Shore Up  

Mewtwo-Mega-X @ Choice Band  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Photon Geyser  
- Sunsteel Strike  
- Thousand Arrows  
- U-turn