Tidal Blast

You conjure up high-pressure water on a point on the ground that you can see within range. It swells up into a powerful wave that moves horizontally in the direction of your choice. All creatures in 10ft wide and 60ft long line starting on that point must succeed on a STR saving throw or take 4d6 bludgeoning damage and be knocked prone, On a successful save a creature takes half as muwsh damage, isonly moved 10ft, or until the end of the line and isn't prone

At higher lvl. When you cast this spell using spell slot 5th or higher, the bludgeoning damage increase by 2d6 for each slot