Tag All Stars was a landmark 2019 Japanese set that celebrated the TAG TEAM GX mechanic, a collaborative format that paired two Pokémon on single cards with powerful combined attacks. Released during the height of Pokémon TCG's modern renaissance, this set became a cornerstone of contemporary collecting, introducing iconic duo cards that defined the era's competitive and casual play alike. Lucario & Melmetal GX features the Steel-type partnership in dynamic artwork that captures both Pokémon's distinctive design and their complementary strength. As a Double Rare from a celebrated set, this card appeals to collectors drawn to TAG TEAM aesthetics, competitive history, and the visual appeal of well-executed dual-character compositions.