isn't she lovely? (Pheromosa) (F) @ Focus Sash  
Ability: No Guard  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Sheer Cold  
- Dynamic Punch  
- First Impression  
- U-turn  

saturn (Xerneas) @ Splash Plate  
Ability: Mold Breaker  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shell Smash  
- Moonblast  
- Judgment  
- Lovely Kiss  

summer soft (Celesteela) @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Anchor Shot  
- Baton Pass  
- Milk Drink  
- Defog  

if it's magic (Mewtwo-Mega-Y) (M) @ Focus Sash  
Ability: Protean  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Shell Smash  
- Moongeist Beam  
- Sunsteel Strike  
- Moonblast  

if it's magic (Mewtwo-Mega-Y) (M) @ Focus Sash  
Ability: No Guard  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Fissure  
- Zap Cannon  
- U-turn  
- Spikes  

as (Arceus) @ Leftovers  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Heal Order  
- Substitute  
- Baton Pass