Base Set Unlimited Pikachu two years to come back, it doesnt matter
I like the idea of taking an artifact and slapping a creature type on it
Wed say the best opener would be Rudy Groove Disruptor as Little John Camp Cook doesnt fit into the deck well unless you can use Food Fight
It pairs especially well with efficient protection like Gods Willingstyle effects (in formats where available) or cheap combat tricks, turning them into nearfree value while steadily growing into a real threat
The Collector Booster Box is where the most valuable cardboard lives: Surge Foil Borderless treatments of Sephiroth, Cloud, Tifa, Lightning, and Kefka, plus the rarest card in the entire set the serialized Traveling Chocobo at 1/77
It also transforms your sideboard into a toolbox that allows you to grab specific lock pieces needed for the particular situation