"They explained they wanted to break into the NES market, and wanted to brainstorm different ideas to add something original to the games
#1 - Starmie V - SWSH10: Astral Radiance Trainer Gallery A chase card that no one expected - Starmie V Trainer Gallery from Astral Radiance quickly became one of the best pulls of the set, featuring the beloved Misty and her Starmie in what I would call a perfect card design
Plus, theres a huge selection of Game Mats from the past, including Regional Qualifiers, Structure Decks, and much more!
Special Summon it, but its effects are negated (if any), then immediately after this effect resolves, Synchro Summon 1 Machine Synchro Monster using only that monster and this card
I think it just showed up on a card that seemed flavorful in isolation and just started planting itself in R&D's mind as a black thing