Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 252 HP / 200 Def / 56 Spe
Bold Nature
- Hydro Pump
- Volt Switch
- Pain Split
- Will-O-Wisp / Thunder Wave

Tornadus-Therian @ Rocky Helmet 
Ability: Regenerator  
EVs: 208 HP / 84 Def / 216 Spe
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn 
- Defog

OR

Tornadus-Therian @ Flyinium Z  
Ability: Regenerator  
EVs: 88 HP / 160 SpA / 8 SpD / 252 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn / Taunt  
- Defog