Groudon @ Red Orb  
Ability: Electric Surge  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- V-create  
- Will-O-Wisp  
- Strength Sap  
- Stealth Rock  

Zygarde-Complete @ Rocky Helmet  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Roost  
- Thousand Waves  
- Poison Fang  
- Refresh  

Xerneas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Moonblast  
- Earth Power  
- Steam Eruption  

Gengar-Mega @ Spooky Plate  
Ability: Regenerator  
Happiness: 0  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Rapid Spin  
- Judgment  
- Sludge Bomb  
- Quiver Dance  

Golisopod @ Rocky Helmet  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Haze  
- Destiny Bond  
- Shore Up  

Aerodactyl-Mega @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Head Smash  
- Flare Blitz  
- Brave Bird  
- Toxic