Hunger of Hadar

3rd-Level Conjuration
Casting Time: 1 action
Range: 150 feet
Components: VSM (a pickled octopus tentacle)
Duration: (C) 1 minute

As in the Player's Handbook with the following added:
At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, both the cold and acid damage increase by 1d6 for each slot level above 3rd.

Source: PHB 251

Changelog