Vampiric Fang

You mutter a dark incantation and your canine teeth elongate to sharp points. For the duration of the spell, you gain a bite attack which you can make as a bonus action. You are proficient with the attack, the attack equals your proficiency bonus plus your Strength or Dexterity modifier, whichever is higher. The attack deals 1d8 points of piercing damage plus your Strength or Dexterity modifier, whichever is higher.