Temporal Fist Dragon, Crowind Dragon

:[Bind a card from soul], choose one of your opponent's rear-guards, put it on the bottom of the deck, and if your opponent's vanguard is grade 3 or greater, this unit gets +5000 until end of turn. :When this unit attacks a vanguard, 1 & bind two rear-guards], search your deck for up to two unit cards with a total grade equal to the total grade of the cards bound for this cost, call each of them to in the same column, and shuffle the deck.