Bone Shard Barrage

You cause 3 sharp jagged bone shards to erupt from your fingertips and fly at your enemies.  Make a ranged spell attack for each shard. On a hit, the target takes 1d10 piercing or bludgeoning damage and they must succeed on a Strength saving throw or be pushed 5ft away from you. Creatures that are Large or larger have Advantage on this saving throw.

Using a Higher-Level Spell Slot. You create one additional shard for each spell slot level above 2.