Very solid card, and great for enabling the modified deck, too
On the flip side, if a card that already has an anime version becomes essential in a new meta, the price can suddenly skyrocket
Depending on your list, you might even be able to sneak a little extra Koma protection in ahead of time, with a changeling or the actual best Serpent in the format Thats right, Yorion
This is just great card draw, plain and simple
I learned how to read rosettes, the best way to do water tests without damaging real cards, light and blacklight testing, even rip and bend tests, until I felt fairly certain I could spot a fake were one presented to me
Most Rograkh/Kediss decks work in roughly the same way: play Rograkh on turn 1, buff it up on turn 2 with a Dragon's Mantle-adjacent effect, drop Kediss on turn 3, and then dump all your mana into buffing Rograkhs attacks