Arceus-Ghost @ Spooky Plate  
Ability: Fur Coat  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Will-O-Wisp  
- Strength Sap  
- Spikes  

Yveltal @ Black Glasses  
Ability: Adaptability  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Knock Off  
- Fiery Wrath  
- Sucker Punch  
- Jungle Healing  

Necrozma-Ultra @ Choice Band  
Ability: Dragon's Maw  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Glaive Rush  
- Gigaton Hammer  
- Combat Torque  
- Electro Drift  

Altaria-Mega @ Pixie Plate  
Ability: Tinted Lens  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Victory Dance  
- Extreme Speed  
- Explosion  
- Strength Sap  

Glalie-Mega @ Never-Melt Ice  
Ability: Tinted Lens  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Extreme Speed  
- Rapid Spin  
- Explosion  
- Collision Course  

Blissey (F) @ Leftovers  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Parting Shot  
- Perish Song  
- Soft-Boiled  
- Wish