Arceus-Fairy @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Taunt  
- Leech Seed  
- Quiver Dance  

Mewtwo-Mega-X @ Roseli Berry  
Ability: Triage  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Drain Punch  
- Horn Leech  
- Belly Drum  
- Photon Geyser  

Mewtwo-Mega-Y @ Expert Belt  
Ability: Queenly Majesty  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Moonblast  
- Moongeist Beam  
- Tail Glow  

Zygarde-Complete @ Leftovers  
Ability: Ice Scales  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Core Enforcer  
- Shore Up  
- Court Change  
- Toxic  

Eternatus @ Rocky Helmet  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Blue Flare  
- Quiver Dance  
- Shore Up  

Yveltal @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Toxic  
- Oblivion Wing  
- Shore Up  
- Haze