Blissey (F) @ Spooky Plate  
Ability: Imposter  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Whirlpool  
- Spikes  
- Recover  
- Chatter  

Audino-Mega @ Safety Goggles  
Ability: Wonder Guard  
Shiny: Yes  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Defog  
- Recover  
- Chatter  
- Parting Shot  

Groudon-Primal @ Shed Shell  
Ability: Mold Breaker  
EVs: 200 HP / 252 Atk / 56 Spe  
Adamant Nature  
- Dark Void  
- Recover  
- Thousand Arrows  
- Shell Smash  

Darkrai @ Leftovers  
Ability: Wonder Guard  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Baton Pass  
- Gastro Acid  
- Chatter  

Rayquaza-Mega @ Choice Band  
Ability: Huge Power  
EVs: 56 HP / 252 Atk / 200 Spe  
Adamant Nature  
- Extreme Speed  
- Water Shuriken  
- Pursuit  
- Dragon Ascent  

Slaking @ Silk Scarf  
Ability: Shadow Tag  
EVs: 252 Atk / 252 Def / 4 Spe  
Adamant Nature  
- Fake Out  
- Extreme Speed  
- Low Kick  
- Stealth Rock