Updated Sep 20, 2026One of every sealed product$59£44€51
1 sealed products with recorded market prices, from $59£44.21€51.48 to $59£44.21€51.48. Filter by product type below.
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Why a Japanese Ruler of the Black Flame Deck Build Box box moves differently to a Japanese Ruler of the Black Flame Deck Build Box card
A card is worth what the card is worth. A box is worth whatever people think is still inside it, so a box price falls while Japanese Ruler of the Black Flame Deck Build Box is in print and starts climbing once it is not. That is why a two year old box can cost more than it did on release week, and why buying sealed at release is usually the worst moment.