Dragonic Overlord "The X"

:When your card effect would count the number of cards in your hand, it is regarded as 0. :If your opponent's vanguard is grade 3 or greater, this unit's drive cannot become 0 or less. : 1, search your deck for up to one card with "Overlord" in its different card name from this unit, put it into your soul, shuffle your deck, and this unit gets all of that card's card names and abilities until end of turn.