Slurpuff @ Focus Sash  
Ability: Unburden  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sticky Web  
- Endeavor  
- Toxic  
- Magic Coat  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 136 HP / 252 Atk / 120 Spe  
Lonely Nature  
- Eruption  
- Precipice Blades  
- Hidden Power [Ice]  
- Stealth Rock  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Photon Geyser  
- Earthquake  
- Stone Edge  

Yveltal @ Dread Plate  
Ability: Dark Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Dark Pulse  
- Oblivion Wing  
- Taunt  
- U-turn  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Insomnia  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Calm Mind  
- Fire Blast  
- Ice Beam  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 84 HP / 252 SpA / 100 SpD / 72 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Hidden Power [Fire]