Impediment Slicer

:If you have a vanguard with "Bruce" in its card name, and your opponent's vanguard is grade 3 or greater, 1, search your deck, soul, or drop for up to one grade 4 unit card with "Bruce" in its card name, ride it as , return this unit to deck and shuffle it. :If you have a grade 4 vanguard with "Bruce" in its card name, this unit gets +10000.