Touch of Forgetfulness

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 12 (2d8 + 3) psychic damage. A target hit by this attack must succeed on a DC 13 Wisdom saving throw or forget any or all events that happened up to 5 minutes prior to this attack, as if affected by the modify memory spell. The GM decides how this affects the target.