Madolche Chateau (GFTP-EN117) [Ghosts From the Past]

When this card is activated: Shuffle all "Madolche" monsters in your GY into the Deck. All "Madolche" monsters on the field gain 500 ATK/DEF. If a monster(s) in your GY would be returned to the Deck by the effect of a "Madolche" monster, you can add it to your hand instead.