May i suggest Clamperl? With the addition of Drizzle and Shell Smash to work with, along with the Deep Sea Tooth, it can hit 984 Sp. Atk, and thats only with a timid nature, along with a 30 IV for a Hidden Power (Preferably grass)
Clamperl @Deep Sea Tooth
252 Spe // 252 Sp. Atk // 4 HP
Timid...