Gengar-Mega @ Focus Sash  
Ability: Mold Breaker  
EVs: 69 SpA / 252 Spe  
Hasty Nature  
IVs: 0 HP / 0 Atk / 0 Def / 0 SpD  
- Stealth Rock  
- Spikes  
- Taunt  
- Curse  

Gengar-Mega @ Spooky Plate  
Ability: Dazzling  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Secret Sword  
- Sludge Bomb  
- Shell Smash  

Zekrom @ Draco Plate  
Ability: Galvanize  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
- Extreme Speed  
- Explosion  
- Judgment  
- Shell Smash  

Charizard-Mega-Y @ Icicle Plate  
Ability: Triage  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Tail Glow  
- Judgment  
- Oblivion Wing  
- Secret Sword  

Rayquaza @ Sky Plate  
Ability: Aerilate  
EVs: 252 HP / 252 Atk / 252 SpD / 252 Spe  
Lonely Nature  
IVs: 0 Def  
- Rapid Spin  
- Extreme Speed  
- Explosion  
- V-create  

Xerneas @ Fairium Z  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Taunt  
- Strength Sap  
- Haze