Groudon-Primal @ Shed Shell  
Ability: Mold Breaker  
EVs: 172 HP / 252 Atk / 84 Spe  
Adamant Nature  
- Shell Smash  
- Dark Void  
- Thousand Arrows  
- Recover  

Gyarados-Mega @ Lum Berry  
Ability: Huge Power  
EVs: 224 HP / 252 Atk / 32 Spe  
Adamant Nature  
- Water Shuriken  
- Pursuit  
- Sucker Punch  
- Fusion Bolt  

Arceus-Ghost @ Leftovers  
Ability: Wonder Guard  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Chatter  
- Taunt  
- Baton Pass  

Swampert-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Recover  
- Defog  
- Thousand Arrows  
- Parting Shot  

Giratina @ Leftovers  
Ability: Prankster  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Curse  
- Encore  
- Destiny Bond  

Slaking @ Silk Scarf  
Ability: Shadow Tag  
EVs: 248 HP / 252 Atk / 8 Spe  
Adamant Nature  
- Fake Out  
- Extreme Speed  
- Low Kick  
- Stealth Rock