Mewtwo-Mega-Y @ Focus Sash  
Ability: No Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Sing  
- Shell Smash  
- Fissure  
- Photon Geyser  

Yveltal @ Lum Berry  
Ability: Pure Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Pursuit  
- Sucker Punch  
- Sunsteel Strike  
- Knock Off  

Mewtwo-Mega-X @ Life Orb  
Ability: Shadow Tag  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
- Vacuum Wave  
- Oceanic Operetta  
- Ice Beam  
- First Impression  

Deoxys-Speed @ Focus Sash  
Ability: Mold Breaker  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Spore  
- Knock Off  
- Stealth Rock  
- Destiny Bond  

Kartana @ Fire Memory  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 Spe  
Naughty Nature  
IVs: 0 SpD  
- Spore  
- Sunsteel Strike  
- Multi-Attack  
- Shell Smash  

Chansey @ Safety Goggles  
Ability: Innards Out  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
IVs: 0 Atk  
- Spore  
- Whirlwind  
- Shore Up  
- Parting Shot