Groudon-Primal @ Lum Berry  
Ability: Mold Breaker  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Shell Smash  
- Thousand Arrows  
- V-create  
- Dark Void  

Latios-Mega (M) @ Soul Dew  
Ability: Teravolt  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Psystrike  
- Spacial Rend  
- Spore  

Audino-Mega @ Safety Goggles  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Parting Shot  
- Recover  
- Magic Coat  
- Aromatherapy  

Beedrill-Mega @ Black Sludge  
Ability: Wonder Guard  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Glare  
- Taunt  
- U-turn  
- Stealth Rock  

Registeel @ Leftovers  
Ability: Magic Bounce  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Recover  
- Defog  
- Parting Shot  
- Whirlwind  

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