Heatran @ Choice Specs  
Ability: Flash Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Quiet Nature  
IVs: 0 Atk  
- Eruption  
- Overheat  
- Earth Power  
- Ancient Power  

Cresselia @ Sitrus Berry  
Ability: Levitate  
EVs: 252 HP / 196 Def / 60 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Psyshock  
- Moonlight  
- Reflect  

Tyranitar @ Chople Berry  
Ability: Sand Stream  
EVs: 248 HP / 132 Def / 128 Spe  
Adamant Nature  
- Stone Edge  
- Crunch  
- Taunt  
- Counter