I homebrewed an arcane archer by refluffing the Gunsmith UA Artificer's archetype.
lvl 3: Magebow: Craft a magical longbow that can be loaded as a a bonus action with a magic projectile deal 2d6 magical piercing damage.
- As an action, the attack deals +1d6 thunder on a hit, increasing by 1d6 every odd levels after that.
lvl 7: Arcane barrage: As an action, you can make a special attack with the bow. Rather than making an attack roll, you unleash force energy in a 15-foot cone from the bow. Each creature in that area must make a Strength saving throw with a DC of 8 + your proficiency bonus + your Intelligence modifier. On a failed saving throw, a target takes 2d6 force damage and is pushed 10 feet away from you. This damage increases by 1d6 when you reach certain levels in this class: 13th level (3d6) and 17th level (4d6).
lvl 10: Seeking shot:, ala A.A Curving shot
lvl 15: Piercing arrow: As an action, you can make a special attack with the bow. Rather than making an attack roll, you cause the bow to unleash a bolt of lightning, 5-feet wide and 30-feet long. Each creature in that area must make Dexterity saving throws with a DC of 8 + your proficiency bonus + your Intelligence modifier. On a failed saving throw, a target takes 4d6 lightning damage. This damage increases to 6d6 when you reach 19th level in this class.
lvl 18: Exploding arrow: As an action, you can make a special attack with the bow. Rather than making an attack roll, you launch an explosive arrow from the bow. The round detonates in a 30-foot radius sphere at a point within range. Each creature in that area must make a Dexterity saving throw with a DC of 8 + your proficiency bonus + your Intelligence modifier. On a failed saving throw, a target takes 4d8 fire damage.