Tangrowth and Steelix should never get an evolution...Unless you create a specific metagame tier for them which ban all physical moves.
Here are my suggestions: Carnivine, Heatmor, Mightyena, Seviper <3, Zangoose, Octillery, Maractus, Farfetch'd, Magcargo, Arbok, Seaking, Lumineon and Chimecho.