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This fits the 7-power matters theme perfectly and does the most with small creatures

Just like other more common and yet more expensive Legend of Blue Eyes cards such as Dark Magician and Blue-Eyes itself, it seems it is prestige that accounts for the difference

destroy it, and if you do, draw 2 cards, then you can change the battle position of 1 opponents monster

Adelbert Steiner gets +1/+1 for each Equipment you control

That felt pretty step parent-y (the fairy-tale trope kind, mind you)

Not only is a four mana 5/5 semi-hexproof flying haste but it has no painful or sacrificial drawback that you would normally expect from an above curve black card