Bone Shard Catapult

Choose a shard of bone, a skull or a bone item weighing 1 to 5 pounds within range. The object flies in a straight line up to 90 feet in a direction of a creature that must make a Dexterity saving throw. On a failed save, the object bursts into srapnel piercing the target which takes 3d8 piercing damage. If target dies from this spell attack the body that remains grants the caster advantage in turning the body into a zombie or skeleton. 

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the maximum weight of objects that you can target with this spell increases by 5 pounds, and the damage increases by 1d8, for each slot level above 1st.