Cragblade

You slam or thrust a nonmagical weapon you are wielding into the ground below you feet, magically adhering small boulders to the business-end of the weapon. For the duration the weapon has a +1 bonus to attack rolls and deals an extra 1d6 magical bludgeoning damage when it hits. In addition, a creature hit by a weapon affected by this spell is shaken and must succeed a Strength saving throw, falling prone on a failure.

At Higher Levels. When you cast this spell using a spell slot of 5th or 6th level, the bonus to attack rolls increases to +2 and the extra damage increases to 2d6. When you use a spell slot of 7th level or higher, the bonus increases to +3 and the extra damage increases to 3d6.