Signs of Love (Mewtwo-Mega-Y) @ Scope Lens  
Ability: Sniper  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psycho Boost  
- Fleur Cannon  
- Overheat  
- Focus Energy  

Shadow World (Arceus-Steel) @ Iron Plate  
Ability: Flash Fire  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Tail Glow  
- Taunt  
- Milk Drink  

Specialist (Xerneas) @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Glare  
- Quiver Dance  
- Strength Sap  

aSkyFullOfStars (Rayquaza) @ Heavy-Duty Boots  
Ability: Aerilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- Boomburst  
- Rapid Spin  
- V-create  
- Strength Sap  

Alone (Palkia) @ Rocky Helmet  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Core Enforcer  
- Roost  
- Spikes  

Let'sHitTheBeach (Swampert-Mega) @ Groundium Z  
Ability: Ice Scales  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Thousand Waves  
- Spectral Thief  
- Slack Off  
- Volt Switch