Xanathar's Guide to Everything 5E
Ice Knife
1-level Conjuration
Casting Time: 1 action
Range/Area: 60 ft
Components: Somatic, Material
Materials: A drop of water or a piece of ice
Duration: Instantaneous
You create a shard of ice and fling it at one creature within range. Make a ranged spell attack against the target. On a hit, the target takes 1d10 piercing damage. Hit or miss, the shard then explodes. The target and each creature within 5ft of it must succeed on a Dexterity saving throw or take 2d6 cold damage.
At higher levels: When you cast this spell using a spell slot of 2nd level or higher, the cold damage increases by 1d6 for each slot above 1st.
Available for: Druid, Sorcerer, Wizard