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  

Rayquaza @ Life Orb  
Ability: Triage  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Oblivion Wing  
- Tail Glow  
- Secret Sword  
- Giga Drain  

Deoxys-Speed @ Mental Herb  
Ability: Turboblaze  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Stealth Rock  
- Spikes  
- Memento  

Gengar-Mega @ Spooky Plate  
Ability: Queenly Majesty  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Judgment  
- Secret Sword  
- Substitute  

Yveltal @ Choice Scarf  
Ability: Aerilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Knock Off  
- Boomburst  
- Explosion  
- Trick  

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