Sceptile-Mega @ Focus Sash  
Ability: No Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sheer Cold  
- Sing  
- Stealth Rock  
- Gastro Acid  

Kyurem-White @ Focus Sash  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
- Shell Smash  
- Moongeist Beam  
- Searing Sunraze Smash  
- Freeze-Dry  

Rayquaza-Mega @ Focus Sash  
Ability: Triage  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Tail Glow  
- Oblivion Wing  
- Moongeist Beam  
- Searing Shot  

Nineteen1319 (Giratina-Origin) @ Leppa Berry  
Ability: Harvest  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
- Menacing Moonraze Maelstrom  
- Searing Sunraze Smash  
- Extreme Evoboost  
- Clangorous Soulblaze  

Dialga @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Baneful Bunker  
- Encore  
- Haze  
- Destiny Bond  

Garchomp-Mega @ Focus Sash  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Dragon Hammer  
- Sunsteel Strike  
- Plasma Fists