Blue Substitute (Tyranitar) @ Dread Plate  
Ability: Sand Stream  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Judgment  
- Heart Swap  
- Slack Off  
- Stealth Rock  

Blue Devil (Cresselia) (F) @ Leftovers  
Ability: Soundproof  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Block  
- Quiver Dance  
- Stored Power  
- Soft-Boiled  

Blue Llama (Arceus-Water) @ Leftovers  
Ability: Unaware  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Tail Glow  
- Scald  
- Freeze-Dry  
- Roost  

Blue Worm (Giratina) @ Leftovers  
Ability: Magic Bounce  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Teleport  
- Dragon Tail  
- Defog  
- Roost  

Blue Closestool (Registeel) @ Leftovers  
Ability: Prankster  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Haze  
- Worry Seed  
- Parting Shot  
- Recover  

Blue Angel (Regigigas) @ Toxic Orb  
Ability: Poison Heal  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Defog  
- Psycho Shift  
- Facade  
- Heart Swap