Elemental Load

You cast elemental load in a chosen variation (fire, lightning, cold) at a weapon or another object that is not touching any other person. Upon inflicting damage, the weapon (object) deals another 1d4 damage of chosen (while casting) type to the target. 

This spell’s damage increases by 1d4 when you reach 5th level (2d4), 11th level (3d4), and 17th level (4d4).