Dark Dragon, Deep Griever Dragon D-PS01/028 RR

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