Being an enchantment makes it a valuable card to potentially diversify your graveyard from something like a Mindwrack Demon mill, and being a legendary enchantment means that you can naturally get one to your graveyard by casting a second copy when you already have one on the battlefield
Its still locked to a hyper-specific archetype and still has that issue of not wanting to knock a player out with poison too early, lest you give up some of your precious card advantage
This element of FITS feels heavily inspired by cult indie classic Into The Breach, with that games tactical puzzle of tight movement and damage reduction taken from its original theming of massive robots fighting huge bugs and swapped to a suave simulation of Casino Royale-style punch-ups
I had to bookmark it and come back when I had enough time to digest it all
First of all, the card comes with two forms of evasion
With a mana value of 5, Bloomvine Regent fits well into dragon curves alongside cards like Miirym, Sentinel Wyrm