Legacy, despite having the same name as the paper format, was very different due to a lack of appropriate cards online
For this exercise, lets start by examining the mechanic that led to the tribal theme in the first place: the Mistforms (called "Mimics" in design)
This led to the concept of a reanimator deck focusing on Celes's initial journey of "getting the gang back together" to take down Kefka, using the graveyard to represent her lost teammates
Prosper, Tome-Bound decks can play fairly or enable busted combo turns thanks to the mana production coupled with all that delightful card draw
It'll counter any free thing like a pitch spell or in the free if you control your Commander cycle
So the question is, how does a token produced by not one, but two Uncommons in a recent set end up among the most valuable pack tokens of all time