BLGG-EN115 * The Hidden City * Ultra Rare * Battles of Legend: Glorious GalleryWhen this card is activated: You can add 1 "Subterror" monster from your Deck to your hand. Once per turn: You can change 1 face down Defense Position "Subterror" monster you control to face up Attack or Defense Position. Once per turn, when an opponent's monster declares an attack: You can change 1 face down Defense Position "Subterror" monster you control to face up Attack or Defense Position, then you can negate the attack. You can only activate 1