Mewtwo-Mega-X @ Choice Scarf  
Ability: Shadow Tag  
EVs: 88 HP / 252 Atk / 168 Spe  
Adamant Nature  
- Low Kick  
- Play Rough  
- Beat Up  
- Trick  

Giratina @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Gastro Acid  
- Encore  
- Curse  
- Roost  

Rayquaza-Mega @ Sky Plate  
Ability: Mold Breaker  
EVs: 92 Def / 252 SpA / 164 Spe  
Modest Nature  
IVs: 0 Atk  
- Dark Void  
- Substitute  
- Shell Smash  
- Oblivion Wing  

Zapdos @ Leftovers  
Ability: Wonder Guard  
EVs: 252 HP / 72 Def / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Aromatherapy  
- Spikes  
- Baton Pass  

Blissey @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 4 Spe  
- Chatter  
- Defog  
- Recover  
- Baton Pass  

Gyarados-Mega @ Shed Shell  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 4 Spe  
Adamant Nature  
- Water Shuriken  
- Pursuit  
- Sucker Punch  
- Stealth Rock