She could perhaps just be a mage, but yeah i see where you're getting at.
Nobody should assume anything until there is actual proof from credible sources.
A children's card game you say! well welcome to the forest, i hope you have fun here since there's plenty of things to do here and there's heaps of people to talk to.
Yeah you should give FE4 a try when you're able to, i'm sure you'd enjoy it.