Speed Duel GX: Duel Academy Box brought the beloved Yu-Gi-Oh! GX era back into focus during the early 2020s, capturing a nostalgic moment for longtime fans. This 2022 release honored the anime series that defined many players' introduction to the game, reintroducing iconic cards and characters in the streamlined Speed Duel format designed for faster, more accessible gameplay. Ancient Gear Golem stands as one of the most recognizable monsters from GX, its imposing mechanical design reflecting the series' strategic emphasis on machine-type decks. The SGX1-END01 designation marks this as a promo inclusion, making it a sought-after chase card for collectors completing their Speed Duel sets and GX enthusiasts alike.