Mewtwo-Mega-Y @ Leppa Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 76 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Photon Geyser  
- Light That Burns the Sky  
- Sacred Fire  
- Attack Order  

Kyurem-Black @ Focus Sash  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
- Icicle Spear  
- Shell Smash  
- Sunsteel Strike  
- Moongeist Beam  

Greninja-Ash @ Expert Belt  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Pursuit  
- Sunsteel Strike  
- Precipice Blades  
- Play Rough  

Kartana @ Focus Sash  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Petal Blizzard  
- Storm Throw  
- Sunsteel Strike  

Slaking @ Lum Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Plasma Fists  
- Sunsteel Strike  
- Fake Out  
- Extreme Speed  

Blissey @ Choice Scarf  
Ability: Innards Out  
EVs: 252 HP / 252 SpD / 252 Spe  
Hasty Nature  
IVs: 0 Atk / 0 Def  
- Trick  
- Perish Song  
- Baton Pass  
- Shore Up