Mewtwo-Mega-Y @ Life Orb  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 76 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Light That Burns the Sky  
- Photon Geyser  
- Moongeist Beam  
- Thousand Arrows  

Mewtwo-Mega-Y @ Leppa Berry  
Ability: Harvest  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Light That Burns the Sky  
- Menacing Moonraze Maelstrom  
- Shell Smash  
- Let's Snuggle Forever  

Mewtwo-Mega-Y @ Mind Plate  
Ability: No Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Fissure  
- Tail Glow  
- Zap Cannon  
- Photon Geyser  

Scizor-Mega @ Darkinium Z  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Stealth Rock  
- Nuzzle  
- Parting Shot  
- Strength Sap  

Meloetta @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Baton Pass  
- Glare  
- Spectral Thief  
- Shore Up  

Blissey (F) @ Leftovers  
Ability: Innards Out  
EVs: 252 HP / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
IVs: 0 Atk / 0 Def  
- Taunt  
- Shell Smash  
- Menacing Moonraze Maelstrom  
- Baton Pass