Bestial Sling

You hurl a number of sharp rocks. Choose one creature you can see within range, or choose two creatures you can see within range that are within 5 feet of each other. Make a ranged spell attack against each target. On a hit, a target takes 1d8 piercing damage.
The spell's damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).