Shuckle @ Lum Berry  
Ability: Sturdy  
EVs: 248 HP / 8 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Sticky Web  
- Stealth Rock  
- Infestation  
- Encore  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Dragon Ascent  
- Earthquake  
- Extreme Speed  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 160 HP / 4 Def / 252 SpA / 92 Spe  
Modest Nature  
- Geomancy  
- Moonblast  
- Focus Blast  
- Hidden Power [Rock]  

Arceus @ Life Orb  
Ability: Multitype  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Earthquake  
- Return  

Terrakion @ Lum Berry  
Ability: Justified  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Close Combat  
- Stone Edge  
- Taunt  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Mild Nature  
- Dark Pulse  
- Oblivion Wing  
- Taunt  
- Sucker Punch