Regalis Piece (You may only have one Regalis Piece in your deck, and use it a total of one time in a fight)

Search your deck or drop for up to a total of two grade 3 or 4 unit cards with different card names and reveal them, call all revealed grade 3 cards to (RC), and put all revealed grade 4 cards into hand. If you searched the deck, shuffle the deck. (You may also search for only one card)