Arceus-Poison @ Poisonium Z  
Ability: Multitype  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Poison Jab  
- Earthquake  
- Recover  

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

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 236 HP / 252 Def / 20 SpA  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Will-O-Wisp  
- Toxic  
- Hex  

Ho-Oh @ Leftovers  
Ability: Regenerator  
EVs: 248 HP / 60 Atk / 200 SpD  
Careful Nature  
- Recover  
- Toxic  
- Sacred Fire  
- Brave Bird  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Stealth Rock  
- Roar  
- Precipice Blades  
- Stone Edge  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 64 HP / 252 SpA / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Aromatherapy  
- Endeavor  
- Defog