Water Lash

1st-level Evocation (Sorcerer, Wizard)
Casting Time: 1 action
Range: 30 feet
Components: VS
Duration: Instantaneous
A Beam of water leaps out from your finger at a creature you can see within range. Make a melee spell attack roll, on hit the target takes 2d6 + your spellcasting modifier slashing damage and is pushed back 15 feet. 
At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the spell deals an additional 2d6 damage for each slot level above 1st.