Arm of the Deep

You motion your arm forward before lifting it up, as a sharp tendril of water emerges under the body od a creature within range. Make an attack roll, on a hit the target takes 2d6 piercing damage, the water impaling it, and if the creature is Huge or smaller, it is thrown 20 feet in any direction of your choice.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher you can use the reaction 2 additional times for each spell slot level.