Cards which reference "playing for ante" or belong to the 'conspiracy' card type are universally banned, as are previously released cards that Wizards of the Coast has reviewed and now deems racially or culturally offensive
However, if you like your chocobos to look slightly terrifying and very neon, then the price is going to fly up
Basically, if you hate playing against Flying creatures, you can invest fully in switching to the dark side and playing a deck that not only prevents them from touching you, but you can annoy everyone else in the pod with your own unblockable Flying creatures
It marks Disneys first significant venture into the TCG space
Some hosts tick this because they dont realize they have to replace the errata cards in their imported decks and the banlist prevents them from playing the non-GOAT variant
The 3rd Edition fixes this with its scenario-based setup