Syrlya shifts on one foot, regarding Strange thoughtfully. If it's the lack of knowledge, and Strange believes he's tapping into the magical energy natural to the fae, then either his magic is closely related to that magic to begin with, or "English" magic is really just the name of a specialization of spells.

"Have you tried to perform any non-English magic?" He can say he believes he could do it, but has he actually tried yet?