Arrow Trap

You plant four pieces of nonm agical ammunition—arrows or crossbow bolts—in the ground within range and lay magic upon them to protect an area. Until the spell ends, whenever a creature other than you comes within 30 feet of the ammunition for the first time on a
turn or ends its turn there, one piece of ammunition flies
up to strike it. The creature must succeed on a Dexterity
saving throw or take 1d6 piercing damage. The piece of
ammunition is then destroyed. The spell ends when no
ammunition remains.
When you cast this spell, you can designate any
creatures you choose, and the spell ignores them.
At Higher Levels. W hen you cast this spell using
a spell slot of 3rd level or higher, the amount of
ammunition that can be affected increases by two for
each slot level above 2nd.