This striking Judgement Cut-style VFX is a new experiment by Mingwei "CMZW" Lim, who utilized Blender's repeat zone in Shader Nodes, a new feature from the experimental NPR prototype branch.
Here are some of CMZW's earlier explorations of the repeat zone:
Take a closer look at the nodes for the slicing effect, check out the pull request here, and download the build with repeat zone by clicking this link: