A Transition for Final Cut Pro X.
Random Sequence creates random blocks that bring in the incoming clip or take away the outgoing clip (appearance depends on drop shadow design).
I don’t know about you, but I think this one is somewhat “Brady Bunch”. Not that that is a bad thing. It was kind of cool in its day. And, like everything else, what was once old generally becomes new again at some point. Maybe you should have it handy?!