Changelings might have a variety of traditions revolving around the art of deception, celebrating diversity, and the quest for identity. They might also have rituals of transformation or ceremonies to honor change.
Changelings might master a variety of languages and easily adapt to different linguistic styles. They might also have secret sign or hand gesture languages to communicate among themselves.
The art of transformation and deception could play a central role in the arts and entertainment of Changelings. They might host plays, masquerade balls, or illusion shows to demonstrate their abilities and entertain their audience.