Sequel is considered a much smaller brother to Cubase, so you’d think every version of Cubase would come with something like this, stock. unfortunately not though. I hope something like it pops up soon Sequel 3 - It's in the beat - YouTube
Under MIDI Inserts, there is a plugin called Beat Designer that has the same functionality as the one in the video.
Cubase has the Beat Designer, which is nearly the same.