Homebrew
Creature Type. You are a Fey.
Tiny Body. As a Tiny creature, you cannot raise your Strength score over 18 without assistance from magic items.
Fey Knowledge. You are proficient in the Arcana and Nature skills.
Mind of the Spritevales. You have advantage on saving throws against being charmed or frightened, and you cannot be put to sleep against your will.
Fey Magic. You know the Druidcraft cantrip. Starting at 3rd level, you can cast the Invisibility spell on yourself a number of times equal to your proficiency bonus, regaining all expended uses when you finish a long rest.
Glowing Form. While you are visible, you shed dim light in a 5-foot radius. As a bonus action, you can brighten the light you emit, shedding bright light in a 20-foot radius and dim light for an additional 20 feet. You can dim the light you cast to its normal level at any time.
Fury of the Bright One. When you damage a creature with a weapon or spell attack, you can cause the attack or spell to deal extra radiant damage to the creature. The extra damage equals your proficiency bonus. You can use this trait a number of times equal to half your proficiency bonus, rounded down. You regain all expended uses when you finish a short or long rest.