Deoxys-Speed @ Leftovers  
Ability: Wonder Guard  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Baton Pass  
- Gastro Acid  
- Taunt  
- Substitute  

Giratina @ Leftovers  
Ability: Arena Trap  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Encore  
- Roost  
- Shell Smash  
- Baton Pass  

Diancie-Mega @ Focus Sash  
Ability: Mold Breaker  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Scald  
- Searing Shot  
- Shell Smash  

Tentacruel @ Black Sludge  
Ability: Wonder Guard  
EVs: 252 HP / 80 SpD / 176 Spe  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Recover  
- Defog  
- Trick  

Rayquaza-Mega @ Lagging Tail  
Ability: Gale Wings  
Shiny: Yes  
EVs: 208 HP / 36 Def / 252 SpA / 12 SpD  
Modest Nature  
IVs: 0 Atk  
- Oblivion Wing  
- Chatter  
- Stealth Rock  
- Trick  

Banette-Mega @ Life Orb  
Ability: Mold Breaker  
EVs: 80 HP / 252 Atk / 20 SpA / 156 Spe  
Lonely Nature  
- Shadow Sneak  
- Extreme Speed  
- Stored Power  
- Substitute