More people are familiar with and fond of Yuna from Final Fantasy X than they are of Xavier Sal, Infested Captain or what have you
I could list every new card I love - like Alice, Growing Girl, who lends the Support keyword to your other characters and gains four lore when you reach ten strength, or Sisu, Divine Water Dragon, who allows you to draw a new card every time you quest - but in general all of the new cards in Rise of the Floodborn feel like a shift in power and ability
Hercules, Divine Hero would have fit the Resist theme really well, and theres already a nice cheap Hercules in here, so I guess thats another obvious upgrade
New and reprinted cards for Final Fantasy II Final Fantasy IIIs story revolved around the elemental crystals
Moana Undeterred Voyager Della Duck Unstoppable Mom Several Ducks have been revealed as part of Into the Inklands so far, and in case you hadnt had your fill yet, heres another one
Light Party Whenever you attack with four or more creatures, scry 2, then draw a card