Both the Jumpstart and the Scene Box cards can be found in nonfoil editions (borderless for the Scene Box cards, extended-art for the Jumpstart cards) in the Special Edition Collector Boosters (hereafter shortened to SECBs), as they have their own slot and youve got good odds to pull what youre looking for
GX was somewhat notorious for cranking out cards that regularly cropped up in the anime but were barely playable at launch: the original Elemental HEROes, the Neo-Spacians, the Cyberdarks, the Vehicroids, the Arcana Force, the Crystal Beasts, and the Sacred Beasts are all notable examples, with the only ones to truly defy this being Cyber Dragons, Destiny Heroes, and arguably Volcanics
Everything you could want from a Boss monster
Generally speaking, over the past few years, a low-EV set has had an expected value of between $85 and $90, an average set between $90 and $100, and a great set in the range of $110 or even $120