Would you like a scarier costume? Or don't you like the change?
[The magic behind the change, that is. She's not sure she's on board for this sudden change, either, but it's not like she can do much about it... Sansa only wishes she'd gotten something else than a wolf-costume.
... then again, if the option was a lion costume, on the other hand? Yes, sticking to the wolf seems far better.]