If this card is Normal or Special Summoned: You can add 1 Dragonmaid Spell Trap from your Deck to your hand. At the start of the Battle Phase: You can return this card to the hand, and if you do, Special Summon 1 Level 7 or higher Dragonmaid monster from your hand or GY. You can only use each effect of Chamber Dragonmaid once per turn.