At least it's a Wizard, which has some upside in some decks (the aforementioned Adeliz, the Cinder WindAdeliz, the Cinder Wind, for example)
There arent any Pokemon ex in the mainline game with HP like that undoubtedly the power scaling of the rest of the cards in the game will be more in line with this reduced HP
Megara from The First Chapter had the same effect on a cheaper body and she never saw play
Dihada costs 4 mana to cast, and you have 10 creatures for 3 mana or less, so Id goldfish a few opening hands just so you know what a keepable one looks like
Stensia Masquerade is your friend with the payoff for actually connecting with your opponent
Some lists can do this to great effect, like Shorikai, Genesis Engine or Grand Arbiter Augustin IV