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Other cards from 【OSHI NO KO】
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In a Lesson, Ruby (OSK/S107-E056) is a level 0 character card from the 【OSHI NO KO】 expansion with the Show Business and Idol traits. The card has 1500 power and zero cost, functioning as a basic early-game character body for board presence. Its rarity is Common, indicating it is a typical pull for deck construction rather than a special or unique promo.
Catalog pricing data as of 17 Apr 2026, 06:29
