Cards that are banned may always be unbanned as new potential answers to problem cards are printed, however this has not yet happened
For the traditional foil cards, you have around a 14% chance to receive an uncommon Dracula series card and a separate 11% chance to receive a rare or mythic rare
Decks vary how many copies they play based on how reliably they want to have a copy once they hit seven mana, which is usually a question of how often they need that boost to win the game combined with how much they need to sacrifice to make sure they get that far
Most players aren't huge fans of the set, and I see where they're coming from
Its another ink combo that is high up in competitive charts
Hold on to Prince Eric, Seafaring Prince to keep her safe, and plenty of the healing cards like Healing Glow and Julieta Madrigal, Excellent Cook , and you should be able to keep Isabela in play long enough to get you the win