Bytopial Inversion

You conjure a brief planar rift at a point you can see within range, opening the world to the plane of Bytopia and warping gravity around it. 

Creatures within 20 feet of the rift must make a Strength saving throw; this area is split into an inner and outer radius of 10 feet. Creatures who fail their saving throw in the inner radius are pushed up to 10 feet away from the rift, while creatures in the outer radius who fail their save are pulled up to 10 feet closer to it.