To put it lightly, Alchemy is not the most beloved MTG format
The cant be blocked text makes this a reasonably competitive card, perhaps even for Pioneer
What other crazy, fun, Magical Christmas Land things can we do with cards from Hour of Devastation
This theme works on three levels: Payoffs (i.e., Judge Magister Gabranth, Al Bhed Salvagers) Sacrifice outlets (i.e., Phantom Train, Namazu Trader, Ahriman) Fodder (Hecteyes, job select equipment, Rufus Shinras poor disposable dog) A good WB deck has a healthy mix of all three, plus lots of strong removal spells like White Auracite and Sephiroth's Intervention
Unless you have additional synergies with Clues, they arent the best payoffs since you need to pay two mana to use them