This means the campaign can be played in multiple different ways
PokeRev then explained that due to Pokemon cards exploding in value, the 1st Edition international version of the 1998 expansion was actually worth a lot of money now as well
Its a bit of a labyrinthine endeavor, bogged down by a slow start and a combo-killing tap cost, but Quintorius is a repeatable, self-contained reanimation engine that can cheat out a wide berth of options, and he even deigns to put nonpermanent spells back on the bottom of your library instead shunting it to exile, in case you wanted to do something disgusting like take infinite turns
What makes it notorious is that, at least until it was banned in real life in the middle of the Sequel Series Yu-Gi-Oh
XY Evolutions is so overprinted, to this day, Pokmon is still putting them in future product releases