Changeling

Ability Score Increase. Your Charisma Score increases by 2, and your Constitution Score increases by 1.

Creature Type. Your creature type is Aberration

Languages. You can speak, read, and write, Common, and two other languages of your choice.

Changeling Instincts. You gain proficiency with two of the following skills of your choice: Deception, Insight, Intimidation, and Persuasion.

Shapechange. As an action, you can change your appearance and your voice. You determine the specifics of the changes, including your coloration, hair length, and sex. You can also adjust your height and weight and can change your size between Medium and Small. You can make yourself appear as a member of another race, though none of your game statistics change. You can’t duplicate the appearance of a creature you’ve never seen, and you must adopt a form that has the same basic arrangement of limbs that you have. Your clothing and equipment aren’t changed by this trait. You stay in the new form until you use an action to revert to your true form or until you die.

Unsettling Visage. When a creature you can see makes an attack roll against you, you can use your reaction to impose disadvantage on the roll. You must use this feature before knowing whether the attack hits or misses. You also deal psychic damage to the creature equal to your Proficiency Bonus. Using this trait reveals your shapeshifting nature to any creature within 30 feet that can see you. You can use this trait a number of times equal to your Proficiency Bonus, regaining expended uses at the end of a long rest.