Speed Duel: Battle City Finals represents Yu-Gi-Oh!'s effort to revitalize the trading card game through a streamlined, faster format. Released in 2024, this set taps into nostalgia for the iconic Battle City tournament arc while introducing accessibility for both new players and returning collectors. The Speed Duel line has carved out its own niche in the hobby, appealing to those seeking a more compact and strategic experience than the main TCG format. Harpie Lady stands as one of the franchise's most recognizable female characters and iconic monster cards. Her avian warrior design and competitive history across multiple Yu-Gi-Oh! formats make her a perennial favorite among collectors. First edition copies of her Speed Duel appearance draw interest from players building themed decks and enthusiasts documenting key character representations across different card sets and eras.