You could point to the recognizability of the brand, or the collectible nature of the Golden Chocobo cards, but neither of these are unique to Final Fantasy
As the vast majority of preconstructed decks are built with the same general philosophy, its easy to see how it could develop its own player base that enjoys its play style
The same care with which the team adapted the jobs and previously revealed Summon cards has been put into creating cards that capture the essence of the characters they represent
And for more creatures to kill, we're adding BitterblossomBitterblossom, another card I can't believe wasn't put in the precon
In addition, you can use it on yourself to get cards in the graveyard for reanimator/self-mill shenanigans
Standard players who dont want to be playing against the same black midrange decks for another year are hoping Wilds can offer even a couple of cards on the level of Bonecrusher Giant, Brazen Borrower and Lovestruck Beast