Tidal Blade

As part of this spell, make a melee weapon attack. Swirling rapids coat the blade. On a hit, the target suffers the normal effects of the attack, and in addition it is pushed 10 ft. away. If the target would make contact with an obstacle due to the effects of this spell, it additionally takes 1d8 bludgeoning damage.

The damage increases to 2d8 damage at 5th level, 3d8 at 11th level, and 4d8 at 17th level.