Really cool to see someone still have Korean booster boxes from DP era
cards, the value of Gungnir Dragon of the Ice Barrier 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 (Structure Deck: Freezing Chains)
Be able to impose their gameplan in spite of counters (Music Princess, PWH) PWH is a little weaker on this end as they are required to run backrow removal to defeat cards like Buffered Slime, but they do have the space to consider running it
Minor imperfections seen in pictures
Thus, while you might think this card is only worth a few dollars, remember that even Ultra Rare VMAX cards carry a hefty price tag when they come with a 'PLAY
Its still the one Id opt for first given so many decks can leverage repeating its effect in different ways