All of your pitchers except Shantz will not give up many HR at all even in a +4 HR park. If you decide to switch out Shantz for someone with a better HR/9 then I'd say you could choose any stadium you want, regardless of the LH/RH HR ratings.
If you're set on using Shantz you may want to find a park with a -1 or more HR to RF and 0 to LF.
Bottom line is if you make sure you draft pitchers who don't give up HR you can choose absolutely any park you wish.