For the type of wine that you think is the most promising direction, go out into the market again and buy all the examples of that type of wine you can find–again all from the same vintage and the same region. And buy the whole price range. You might end up with 20 or so wines. Go to as many stores as you need to and make sure you go to the stores that have the most and best range of that type of wine.
For this dish, linguine and clams based on a Marcella Hazan recipe, the most promising direction, meaning the type of wine that looks most promising, is Muscadet Sevre et Maine Sur Lie from the 2015 vintage.