Vivillon @ Leftovers  
Ability: Compound Eyes  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sleep Powder  
- Substitute  
- Quiver Dance  
- Hurricane  

Smeargle @ Focus Sash  
Ability: Own Tempo  
EVs: 248 HP / 8 Def / 252 Spe  
Jolly Nature  
IVs: 0 Atk  
- Spore  
- Sticky Web  
- Stealth Rock  
- Rapid Spin  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 32 HP / 252 Atk / 4 SpD / 220 Spe  
Adamant Nature  
- Sunsteel Strike  
- Earthquake  
- Stone Edge  
- Rock Polish  

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

Xerneas @ Choice Specs  
Ability: Fairy Aura  
EVs: 16 Def / 252 SpA / 240 Spe  
Modest Nature  
IVs: 0 Atk / 29 SpD  
- Moonblast  
- Focus Blast  
- Grass Knot  
- Hidden Power [Rock]  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 8 Def / 248 SpA / 252 Spe  
Rash Nature  
- Dark Pulse  
- Oblivion Wing  
- Sucker Punch  
- Taunt