[OU] DiancieM+Entei

Diancie-Mega @ Diancite  
Ability: Clear Body  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Protect  
- Moonblast  
- Diamond Storm  
- Hidden Power [Fire]  

Tyranitar @ Choice Scarf  
Ability: Sand Stream  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Stone Edge  
- Pursuit  
- Superpower  
- Crunch  

Entei @ Choice Band  
Ability: Pressure  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Sacred Fire  
- Extreme Speed  
- Bulldoze  
- Stone Edge  

Gyarados @ Chesto Berry  
Ability: Moxie  
EVs: 72 HP / 188 Atk / 248 Spe  
Jolly Nature  
- Dragon Dance  
- Bounce  
- Waterfall  
- Rest  

Ferrothorn @ Chople Berry  
Ability: Iron Barbs  
EVs: 252 HP / 88 Def / 168 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Stealth Rock  
- Leech Seed  
- Gyro Ball  
- Thunder Wave  

Slowbro @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 232 Def / 24 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Slack Off  
- Thunder Wave  
- Psyshock