Ascension (Mewtwo-Mega-Y) @ Pixie Plate  
Ability: Protean  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Judgment  
- Moongeist Beam  
- Sunsteel Strike  
- Spore  

Ascension (Mewtwo-Mega-Y) @ Bug Memory  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 76 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Photon Geyser  
- Multi-Attack  
- V-create  
- Sunsteel Strike  

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

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  
- Pursuit  

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  

Leviathan (Gyarados-Mega) @ Safety Goggles  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 16 Spe  
Relaxed Nature  
- Spectral Thief  
- Shore Up  
- Baton Pass  
- Knock Off