Drum Bunker Dragon

Dragon World [Call Cost][Pay a gauge & put the top card of the deck into this card's Buddy Soul] :[Pay a gauge], search your deck or drop for up to one unit card with "Drum" in its different card name from this unit, call it on top of this unit without paying its [Call Cost], and if you searched the deck, shuffle the deck. :If your opponent's vanguard is grade 3 or greater, your unit with "Drum" in its card name and this card in its Buddy Soul gets +5000/+5000. :[Soulguard]