Gengar-Mega @ Focus Sash  
Ability: No Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fissure  
- Zap Cannon  
- Toxic Spikes  
- Taunt  

Raticate-Alola @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Pursuit  
- Baton Pass  
- Defog  
- Shore Up  

Giratina-Origin @ Leppa Berry  
Ability: Harvest  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
IVs: 30 SpA  
- Clangorous Soulblaze  
- Extreme Evoboost  
- Light That Burns the Sky  
- Menacing Moonraze Maelstrom  

Mewtwo-Mega-X @ Leppa Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 176 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Light That Burns the Sky  
- Close Combat  
- First Impression  
- Photon Geyser  

Yveltal @ Leppa Berry  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Searing Sunraze Smash  
- Power Trip  
- Strength Sap  
- Shell Smash  

Blissey (F) @ Lum Berry  
Ability: Innards Out  
EVs: 252 HP / 252 SpA / 252 SpD / 252 Spe  
Gentle Nature  
IVs: 0 Atk / 0 Def  
- Whirlwind  
- Magic Coat  
- Baton Pass  
- Shore Up