I wouldn't be able to tell ferrous metal apart from non-ferrous.

[She admits with a bit of amusement. Orphans don't really get the best of schooling. As for his questions, she gives a little shrug. Westview was not one of her best moments.]

Well... the boys. They were born because of my magic. Chaos magic, is what they call it. It's all part of a prophecy. The Scarlet Witch.

[Destined to rule or destroy, but ultimately, to be buried.]

Metal sounds more useful.