Battle Styles arrived in March 2021 as a pivotal set bridging the mainstream boom and serious collector interest in modern Pokémon cards. The set introduced mechanics tied to Rapid Strike and Single Strike archetypes, creating distinct deck-building strategies that resonated with both players and collectors. Its full-art cards became particularly sought after, representing a golden moment when the hobby experienced explosive growth and renewed appreciation for beautiful card design. This full-art Mustard depicts the Galar region character in dynamic illustration, capturing the intensity of a Pokémon trainer in action. As a Supporter card with practical gameplay use, it holds appeal for players building competitive decks alongside collectors drawn to the expressive full-art treatment. The combination of utility and aesthetic quality makes this card memorable from an era when such cards became centerpieces of collections.