Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 56 Def / 200 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Toxic  
- Fire Blast  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Defog  
- Aromatherapy  
- Hidden Power [Fire]  

Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Taunt  
- Dragon Dance  
- Crunch  
- Aqua Tail  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 60 Def / 196 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Defog  
- Recover  

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

Landorus @ Life Orb  
Ability: Sheer Force  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Rock Slide  
- Earth Power  
- Sludge Wave  
- Hidden Power [Ice]