Spear of the Flame Dragon, Tahr

:[ 1 & 1] Choose up to one of your other units, and until end of turn, it gets +4000, and "/:When this unit attacks a vanguard, look at five cards from the top of your deck, search for up to one grade 3 or greater Flame Dragon from among them, reveal it to your opponent, put it into your hand, and shuffle your deck.".