Set attribute flag as trait feature

[NocTempre]

Specific use case envisioned would be to unhide attributes such as a Sense Mana when getting Magery but if it was open ended additional use cases would likely emerge. Example:

[richardwilkes]

Could you elaborate? I'm not understanding what you're asking for.

[NocTempre]

The main use case would be to change a hidden attribute (recent addition) to visible or vice versa. On second thought, I'm not sure I can think of any other use cases.