Mewtwo-Mega-X @ Safety Goggles  
Ability: Huge Power  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Drain Punch  
- Play Rough  
- Thousand Arrows  
- Knock Off  

Lopunny-Mega @ Choice Scarf  
Ability: No Guard  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sing  
- Gastro Acid  
- Sheer Cold  
- Switcheroo  

Latios-Mega @ Soul Dew  
Ability: Mold Breaker  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Spore  
- Stealth Rock  
- Spacial Rend  
- Psystrike  

Venusaur-Mega @ Payapa Berry  
Ability: Prankster  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Roost  
- Haze  
- Parting Shot  

Xerneas @ Iron Plate  
Ability: Wonder Guard  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Judgment  
- Moonblast  
- Lava Plume  

Scizor-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Powder  
- U-turn  
- Roost  
- Aromatherapy