Mewtwo @ Life Orb  
Ability: Sheer Force  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Focus Blast  
- Calm Mind  
- Recover  

Xerneas @ Power Herb  
Ability: Tinted Lens  
EVs: 176 HP / 252 SpA / 4 SpD / 76 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute  

Marshadow @ Choice Scarf  
Ability: Tough Claws  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Stone Edge  
- Iron Head  

Magearna @ Steelium Z  
Ability: Steelworker  
EVs: 248 HP / 8 Atk / 252 SpD  
Careful Nature  
- Heart Swap  
- Shift Gear  
- Iron Head  
- Pain Split  

Ho-Oh @ Life Orb  
Ability: Magic Guard  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Brave Bird  
- Sacred Fire  
- Roost  
- Earthquake  

Lucario-Mega @ Lucarionite  
Ability: Adaptability  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Nasty Plot  
- Aura Sphere  
- Flash Cannon  
- Bullet Punch