Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 244 SpD / 20 Spe  
Careful Nature  
- Toxic  
- U-turn  
- Roost  
- Earthquake  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 176 Atk / 168 SpD / 164 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Precipice Blades  
- Stone Edge  

Necrozma-Dusk-Mane @ Kasib Berry  
Ability: Prism Armor  
EVs: 252 HP / 220 SpD / 28 Spe  
Careful Nature  
- Stealth Rock  
- Toxic  
- Sunsteel Strike  
- Morning Sun  

Xerneas @ Choice Specs  
Ability: Fairy Aura  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Grass Knot  
- Hidden Power [Fire]  
- Thunder  

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

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 148 Def / 108 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Judgment  
- Recover  
- Defog