Manectric-Mega @ Focus Sash  
Ability: No Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fissure  
- Sing  
- Zap Cannon  
- Gastro Acid  

Rayquaza-Mega (M) @ Grassium Z  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Baneful Bunker  
- Aromatherapy  
- Wish  
- U-turn  

Gengar-Mega @ Focus Sash  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shell Smash  
- Moongeist Beam  
- Secret Sword  
- Taunt  

Audino-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Magic Coat  
- Defog  
- Parting Shot  
- Recover  

Cresselia @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Slack Off  
- Parting Shot  
- Stealth Rock  

Rayquaza-Mega (M) @ Sky Plate  
Ability: Aerilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Fake Out  
- Extreme Speed  
- Sacred Fire  
- Sunsteel Strike