Shura Stealth Dragon, Mandoracongo

:[Legion 20000]"Shura Stealth Dragon, Daranicongo"(If your opponent's vanguard is grade 3 or greater, this unit may return four cards from your drop zone into your deck once, search your deck for the specified card, and Legion) :[ 1 & Choose a card with the same card name as a unit on your from your hand, and discard it] If this unit is [Legion], and the number of cards in your opponent's hand is four or more, choose two cards at random from your opponent's hand, bind them face down, choose one of your opponent's rear-guards, bind it face up, and at the end of the turn, your opponent puts those cards bound by this effect into his or her hand. :When this unit attacks a vanguard, if you have another unit in your middle column, this unit gets +3000 until end of that battle.