2 classes i wish where in the game

I wish the devs can read this but i wish a gatling gunner that can transform the weapon like in this videos:

https://www.youtube.com/watch?v=pdqjEGQi8Uo

https://www.youtube.com/watch?v=K8SCML7Mya4

and a card user : D like Lost arks arcana:
https://www.youtube.com/watch?v=1CW6gE5azUo

again just ideas : D but i really wish : D

Card user is AST, gun user is MCH, getting new ones which would be similar adds nothing fresh and new. Plus they wouldn't add a class that was never in FF series.