The price of 598,000 is reflective of the rarity within the Japanese market, particularly for high-grade cards that are part of a complete evolution line.
In this one instance, Im going to break my normal rule of putting only one copy of a card into the update and put all the same cards going into Jenara into my Roalesk Proliferate deck as well, assuming they go with the color identity (so no Indoctrination Attendant, for instance)
Cross-referencing at least two platforms gives you a reliable price range rather than a single data point
It's very easy to wind up drawing 2, 3, 4 cards per enchantment with all of the Mesa Enchantress effects in these decks which results in a hand with a bunch of extra lands, and putting then directly into play can offer massive ramp potential
Some of these creatures are in both my list and Corbin's Yedora Treefolk build, but I think it's worth digging into them