Snilloc's Snowball Storm
Source: Xanathar's Guide to Everything
2nd-level evocation
Casting Time: 1 action
Range: 90 feet
Components: V, S, M (a piece of ice or a small white rock chip)
Duration: Instantaneous
A flurry of magic snowballs erupts from a point you choose within range. Each creature in a 5-foot-radius sphere centered on that point must make a Dexterity saving throw. A creature takes 3d6 cold damage on a failed save, or half as much damage on a successful one.
At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d6 for each slot level above 2nd.