Eevee @ Eevium Z  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Timid Nature  
- Baton Pass  
- Last Resort  
- Taunt  
- Substitute  

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

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Shore Up  
- Whirlwind  
- U-turn  
- Metal Burst  

Mewtwo-Mega-Y @ Lum Berry  
Ability: No Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
IVs: 0 Atk  
- Zap Cannon  
- Hypnosis  
- Steam Eruption  
- Quiver Dance  

Yveltal @ Leftovers  
Ability: Triage  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Tail Glow  
- Oblivion Wing  
- Revelation Dance  
- Strength Sap  

Gengar-Mega @ Flame Orb  
Ability: Quick Feet  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Tail Glow  
- Moongeist Beam  
- Spore  
- Sludge Bomb