The first Full Art Trainer card looks to be N, which was a meta card that was sort of a cross between Reset Stamp and Marnie
Current TCGplayer data shows raw Near-Mint Unlimited copies around $27$33 , while shadowless editions average slightly higher $34$108 , depending on condition and demand
When you remember the generic benefits these tokens offer on top of that, maybe we should instead be asking: is there a good reason that you shouldnt be building around treasure
Cori-Steel Cutter was banned in Standard, and its easy to see why someone could really hurt themselves with this thing
You can also use acrylic sign holders for tabletop displaythese are affordable, lightweight, and perfect for showing off a single card on a dresser, bookshelf, or desk
I'm only being kinda-sorta facetious