Xerneas @ Life Orb  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
- Quiver Dance  
- Boomburst  
- Explosion  
- Blue Flare  

Drampa @ Safety Goggles  
Ability: Soundproof  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Spectral Thief  
- Glare  
- Baton Pass  
- Strength Sap  

Giratina @ Heavy-Duty Boots  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Parting Shot  
- Destiny Bond  
- Haze  
- Slack Off  

Celesteela @ Life Orb  
Ability: Triage  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Nasty Plot  
- Oblivion Wing  
- Scorching Sands  
- Leech Seed  

Eternatus @ Leftovers  
Ability: Dragon's Maw  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Dragon Energy  
- Anchor Shot  
- Imprison  
- Transform  

Spectrier @ Life Orb  
Ability: Simple  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Moongeist Beam  
- Spore  
- Boomburst