Earth Strike

You use pre-existing earth, mud, clay or rocks* to make a shape or form surges from the ground. A creature within sight must make a 15 Dexterity saving throw or It is dealt a different damage type depending on the shape. -Sphere: 1d8 bludgeoning  -Cube: 1d8 bludgeoning -Cone/Spike: 1d8piercing    -Line: 1d8 piercing. 

This can be used at higher levels and uses an additional 1d8 for each level of spell slot used.