Numenera!

I try not to mansplain like that on the internet. If I ever did I would be so embarrassed I would melt like someone hit wioth Cyclops's Heat Vision!

It's not based on the film Wizard of Oz, it's based on a book: Something Wicked This Way Comes by Ray Bradbury.

So the labels in Masks would be subsim, since they are a reflection of how the characters feel about themselves