It's based on various horror media from the 1980s to the 2020s
This is the "vanilla" decklist: Rebuilding the deck is basically the usual process - remove ETB tapped lands, substitute in "better" aka typed duals, more basics (yes more, most precons have unnecessary non-basic duals, and then run cards like Kodama's Reach and Fertilid, such that they can quite easily run out of basics to search for.) Focus on the core aspects or the deck - getting +1/+1 counters out on small creatures and spreading them around, then leveraging the growth in +1/+1 counters via varied abilities to turn small creatures into big fatties
Don't sleep on that price difference since they will usually answer what you want, although the green one can answer more permanents
As for the $107,010 Pokmon set, Amerman said, On the back they have the dark color, the blue Pokmon border
Other requirements include enough characters and monsters that can make small, medium and large creatures or can fit Magic staples like flying creatures, which are important for supporting play environments like drafts