Elven blade dancers combining martial skill and magic are pretty popular in D&D. The recent Neverwinter campaign sourcebook brought it back (though Swordmages were already around, their focus on Int/Str or Int/Con didn’t really fit the previous lore).
Thinking about elven blade dancers though, I can’t decide how it would look like. A martial art form that combines dance with weapon fighting. Would it be similar to Capoeira? Eskrima? Break dancing?
Given that elves are involved though, it probably looked like this: