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

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
- Recover  
- Toxic  
- Defog  
- Ice Beam  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Focus Blast  
- Aromatherapy  
- Grass Knot  

Groudon @ Red Orb  
Ability: Drought  
EVs: 180 HP / 252 SpA / 76 Spe  
Mild Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Hidden Power [Ice]  

Necrozma-Dusk-Mane @ Solganium Z  
Ability: Prism Armor  
EVs: 36 HP / 252 Atk / 220 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Earthquake  
- Sunsteel Strike  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Spectral Thief  
- Shadow Sneak  
- Rock Tomb