Unfortunately, Sakura's powers were downplayed in every ocasion just as every kunoichi. I wonder why the elemental affinity wasn't explored as much with the girls. I mean...Remember that filler where Kanna (Ashura's wife) had instataneous affinity with Medical ninjutsu while everybody was spamming Katon, Fuuton, Doton etc:eww:
Anyone that has Yin affinity and considerable intelligence is a genjutsu type