Yveltal @ Choice Specs  
Ability: Dark Aura  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Heat Wave  
- Dark Pulse  
- Oblivion Wing  
- U-turn  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
- Transform  

Arceus-Ghost @ Ghostium Z  
Ability: Multitype  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Shadow Force  
- Brick Break  
- Swords Dance  
- Substitute  

Ferrothorn (M) @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Gyro Ball  
- Stealth Rock  
- Leech Seed  
- Protect  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 Atk / 96 SpD / 160 Spe  
Adamant Nature  
- Precipice Blades  
- Stone Edge  
- Swords Dance  
- Rock Polish  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Defog  
- Aromatherapy  
- Rest