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

Groudon-Primal @ Red Orb  
Ability: Drought  
Shiny: Yes  
EVs: 248 HP / 56 Def / 204 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Toxic  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 68 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Toxic  
- Judgment  
- Ice Beam  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 252 Atk / 252 Def / 4 SpD  
Adamant Nature  
- Defog  
- Shadow Sneak  
- Earthquake  
- Dragon Tail  

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

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Modest Nature  
- Dark Pulse  
- Foul Play  
- Oblivion Wing  
- U-turn