Dark Dragon, Deep Griever Dragon

-Opponent Turn's Guard Step-[Discard a card with [Heal] from hand], and call this card to your from face down. :When this unit is put on , choose up to five grade 1 cards from your drop, and put them on the bottom of the deck in any order. This unit gets +5000 until end of that battle for each card put by this effect. If you put five cards, 1, choose one of your units, and it cannot be hit until end of that battle.