Enhanced Weapon

D&D 2014 optional feature: Enhanced Weapon. Source: Tasha's Cauldron of Everything. feature type Artificer Infusion This magic weapon grants a +1 bonus to attack and damage rolls made with it. The bonus increases to +2 when you reach 10th level in this class. Artificer Infusion

Source: Tasha's Cauldron of Everything, p. 21 - Licenses and attribution