Goodra @ Black Sludge
Ability: Thick Fat
EVs: 248 HP / 128 SpA / 24 SpD / 108 Spe 
Calm Nature 
- Earthquake 
- Ice Beam 
- Sludge Wave 
- Rinse Off

Goodra @ Black Sludge  
Ability: Thick Fat  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Dragon Tail  
- Sludge Wave  
- Incinerate  
- Rinse Off

Other Options: Choice Band, Choice Specs, Toxic, Ice Beam, Fire Blast, Serenity Brace (Item, used by SylveMons Open winner)