Dimensional Robo, Kaisergrader

:[ 1 & Choose a grade 3 Dimension Police; from your hand, and discard it & Put this unit into your soul] If you have a "Dimensional Robo, Kaizard" on , and your opponent has a grade 2 or greater vanguard, search your deck for up to one "Super Dimensional Robo, Daikaiser", ride it as , and shuffle your deck.