Rather than being a perfect box, these have a metallic border to them with the sides resembling a parallelogram
The expansion also debuts the new Mega Attack Rare rarity, featuring full-art designs and retro katakana attack text that instantly boosts its chase value
The previous record was set by Heritage Auctions in November 2020 when a similar booster box sold for $360,000
The best part of The First Sliver is that when you find a spell with cascade after casting a spell with cascade, that new cascade trigger will happen, giving you the chance to chain multiple cascade triggers with one creature
Despite that, metal cards are beginning to gain steam, as they started to become more common with the Sword and Shield era cards, and continue to be used in some of the most valuable Scarlet & Violet era sets
Like most Magic: The Gathering cards, the value of Sea Legs 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 (Rivals of Ixalan)