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This is a sealed Pokémon TCG Steam Siege Hoopa-EX Challenge Box, a branded collection box tied to the Steam Siege expansion. The box typically includes a complete Ring of Lightning theme deck ready to play, a foil promo Hoopa-EX card and an oversized foil Hoopa-EX card, along with assorted game accessories or booster-like extras included in official challenge boxes. It’s intended to provide a ready-to-play themed deck and promotional cards for players and collectors interested in Steam Siege-era cards.
Catalog pricing data as of 25 Apr 2026, 17:57