Bolide

A 4-inch diameter sphere of hard-packed earth forms in front of you, launching toward a target you can see. The sphere flies in a straight line toward the target, building speed as it soars, stopping early if it impacts against a solid surface. If the sphere strikes a creature, that creature must make a Dexterity saving throw. On a failed save, the bolide strikes the target and stops moving. When the bolide strikes something, the sphere and whatever it strikes each take 1d6 bludgeoning damage per 20 feet the bolide traveled and if it hits a creature, it knocks them prone.

If the bolide travels more than 120 feet, the target has advantage on the saving throw. Unless the range is increased, the bolide crumbles after traveling 240 feet.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the range increases by 20 for each slot level above 4th.