They look weird, with a lot of cards that do unique stuff in ways that are less obviously powerful the way the last ten sets were powerful, and that is Strixhaven to a T
Prices are updated based upon Magic Avacyn Restored listings that sold on eBay and other marketplaces
Perhaps look to spread your investment across some Japanese product as well as English, look at more vintage as well as more modern, graded cards as well as raw singles
Prices are also constantly being driven up, too, making it even more difficult for buyers to get their hands on any
Based on the latest market prices tracked on TCG Stacked, Zorua is worth about $0.09 USD
Castle Ardenvale A classic for control decks across formats slow enough to get it going, making a token to block an attack on a planeswalker is the key function of Castle Ardenvale