Arceus-Poison @ Groundium Z  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Thousand Waves  
- Poison Jab  
- Entrainment  
- Shore Up  

Diancie-Mega @ Choice Band  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Extreme Speed  
- Diamond Storm  
- Precipice Blades  
- Explosion  

Scizor-Mega @ Insect Plate  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Brave Nature  
IVs: 0 Spe  
- U-turn  
- Shore Up  
- First Impression  
- Spectral Thief  

Gyarados-Mega @ Leftovers  
Ability: Volt Absorb  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Pursuit  
- Shore Up  
- Anchor Shot  
- Knock Off  

Zygarde-Complete @ Groundium Z  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Thousand Waves  
- Shore Up  
- Haze  
- Court Change  

Necrozma-Ultra @ Choice Specs  
Ability: Adaptability  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Psycho Boost  
- Volt Switch  
- Photon Geyser