There are all manner of unique and intriguing creatures in Dungeons & Dragons, but none more mysterious than the Changelings. Introduced in Eberron: Rising from the Last War as a playable race, Changelings offer a whole new set of interesting skills that allow them to become almost anything, or anyone, they can imagine.
Source:https://www.cbr.com/dnd-5e-changeling-race-abilities-names/