Itll be the only one printed in the entire world, and has immediately caught the attention of both Magic collectors and Lord of the Rings fans alike
I mention Cadric, Soul Kindler here since it works in a similar space
They have their own deck, shared among all players
Zur also bypasses the impending cost of the Overlords, as for two mana you can turn an impending Overlord enchantment into a creature way ahead of the curve
Like most Magic: The Gathering cards, the value of Gauntlet of Power depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Kaladesh Inventions)
Then there are the retro-frame versions, which also sell at a nice premium to the baseline version