Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Rock Slide  
- Earthquake  
- Pursuit  
- Dragon Dance  

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

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 200 Def / 56 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Toxic  
- Defog  
- Recover  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 36 HP / 156 Def / 252 SpA / 4 SpD / 60 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunder 
- Hidden Power [Fire]  
- Geomancy  

Ho-Oh @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Brave Bird  
- Sacred Fire  
- Toxic  
- Recover  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Eruption  
- Hidden Power [Ice]  
- Precipice Blades  
- Stealth Rock