Fae Sorcerer

Those with the blood of fairies are destined for great power, their deeds will be even greater, they will live a life in search of balance and control. The fae sorcerers are born of the fae descent in their families, the blood of the fairies flows in their veins and that makes it something superior, something greater than everything else. Not just an elf or a human, but legitimately a half-fairy, as his powers emerge, more and more his appearances change, the appearance of wings and an extremely shiny skin is a consequence of his powers.

Fae Ancestry

At level 1, your fairy ancestor guarantees you some bonus features. You know the Faerie Fire spell, gain proficiency in the areas of Nature and Arcanism and gain access to the Wild Magic. You also know how to speak faeric and roll with advantage in charisma checks related to creatures of the Memos plane.

Fae Wild Magic

From the moment you choose this origin, on the 1st level, your spellcasting can unleash spells of wild magic. Immediately after you cast a sorcerer's spell of 1st level or higher, the GM can ask you to roll a d20. If you roll a 1, roll on the Wild Magic table to create an random magic effect. An outbreak can only occur once per turn. If the effect of an outbreak is a spell, it is too wild to be affected by Metamagic. If it normally requires concentration, then it will not be necessary; the magic remains for its total duration.

Size Changing

Starting at level 6, you gain the ability to change your size, becoming small to large at level 6, tiny to huge at level 14 and gargantuos at level 18.

Fairy Wings

At 14th level, you acquire the ability to sprout a pair of fairy wings from your back, gaining flight speed equal to your current speed. You can create these wings with a bonus action, on your turn. They last until you dissipate them, with a bonus action again.

Advanced Polymorphy

At level 18 you acquire the ability to use the  Polymorph  spell as a bonus action, without the need to use any material. If you don't have Polymorph spell, you acquire it at that level.