Mewtwo-Mega-X @ Choice Scarf  
Ability: Shadow Tag  
EVs: 252 Atk / 88 Def / 168 Spe  
Adamant Nature  
- Low Kick  
- Sacred Fire  
- Beat Up  
- Switcheroo  

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

Rayquaza-Mega @ Sky Plate  
Ability: Mold Breaker  
EVs: 176 Def / 252 SpA / 80 Spe  
Modest Nature  
IVs: 0 Atk  
- Taunt  
- Quiver Dance  
- Cotton Guard  
- Oblivion Wing  

Gengar-Mega @ Black Sludge  
Ability: Wonder Guard  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature / Modest Nature 
IVs: 0 Atk  
- Toxic Spikes  
- Shadow Ball  
- Substitute  
- Baton Pass  

Blissey (F) @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- U-turn  
- Defog  
- Aromatherapy  
- Wish  

Abomasnow-Mega @ Icicle Plate  
Ability: Refrigerate  
EVs: 248 HP / 252 Atk / 8 Def  
Brave Nature  
IVs: 0 Spe  
- Fake Out  
- Extreme Speed  
- Boomburst  
- Stealth Rock