Umbreon @ Lum Berry  
Ability: Wonder Guard  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- U-turn  
- Spore  
- Magic Coat  
- Recover  

Suicune @ Leftovers  
Ability: Wonder Guard  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Sleep Talk  
- Spore  
- Heal Order  

Latios (M) @ Soul Dew  
Ability: Shadow Tag  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Focus Blast  
- Grass Knot  
- Encore  
- Spacial Rend  

Arceus @ Lum Berry  
Ability: No Guard  
EVs: 248 HP / 252 Def / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Gastro Acid  
- Spore  
- Sheer Cold  
- Taunt  

Deoxys-Attack @ Focus Sash  
Ability: Huge Power  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Fire Fang  
- Leaf Blade  
- Dragon Claw  

Regigigas @ Lum Berry  
Ability: Mold Breaker  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Dragon Claw  
- Close Combat