Yveltal @ Lum Berry  
Ability: Huge Power  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Trick-or-Treat  
- Pursuit  
- Knock Off  
- Sunsteel Strike  

Gyarados-Mega @ Shed Shell  
Ability: Magic Bounce  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Anchor Shot  
- Knock Off  
- Milk Drink  
- Defog  

Necrozma-Dawn-Wings @ Lunalium Z  
Ability: Wonder Guard  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Shell Smash  
- Photon Geyser  
- Moongeist Beam  
- Earth Power  

Blissey @ Shed Shell  
Ability: Imposter  
EVs: 248 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Whirlwind  
- Soft-Boiled  
- Magic Coat  
- Spikes  

Zygarde-Complete @ Leftovers  
Ability: Prankster  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Thousand Waves  
- Strength Sap  
- Reflect  
- Haze  

Swampert-Mega @ Safety Goggles  
Ability: Wonder Guard  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Magic Coat  
- Soft-Boiled  
- Stealth Rock