For a Tauren, I would probably say +2 STR and WIS, +2 Nature and Survival (or whatever) and a per-encounter Stomp that has a radius of 1, deal 1d6+STR and you roll STR vs. Fort. If they fail, they are dazed for 1 round.
Clean up as you like, but that seems to be the easiest thing to do. Maybe...