The Hidden City – BLGG-EN115: Battles of Legend: Glorious Gallery

• Number: BLGG-EN115
• Rarity: Ultra Rare
• Attribute: SPELL
• Card Type: Field Spell

When 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 "The Hidden City" per turn.