Crucify (Yveltal) @ Shed Shell  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Pursuit  
- Heal Order  
- Baton Pass  
- Circle Throw  

Pinnacle (Mewtwo-Mega-X) @ Electric Memory  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 176 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Multi-Attack  
- V-create  
- Ice Shard  
- Sunsteel Strike  

Leviathan (Gyarados-Mega) @ Safety Goggles  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Spectral Thief  
- Milk Drink  
- Knock Off  
- Parting Shot  

Brute (Slaking) @ Lum Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Fake Out  
- Extreme Speed  
- Sunsteel Strike  
- V-create  

Terror (Gengar-Mega) @ Focus Sash  
Ability: No Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fissure  
- Toxic Spikes  
- Taunt  
- Moongeist Beam  

Raze (Necrozma-Ultra) @ Leppa Berry  
Ability: Harvest  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Clangorous Soulblaze  
- Extreme Evoboost  
- Light That Burns the Sky  
- Searing Sunraze Smash