Hieracosphinx [SD7-EN009] Common BT1-115 but the opponent's monster was

but the opponent's monster was not destroyed by the battle: You can make the opponent's monster's ATK 0 (even after this card leaves the field or the monster becomes unaffected by card effects)

Set: X Record Card type: Digimon Rarity: Rare Digi type: Mollusk Play Cost: 3 Form: Rookie Attribute: Data Digivolve Cost: 0 Digivolve Cost Level: 2 [Your Turn][Once Per Turn] When you play a blue Tamer

Set: Invasion: Vengeance Card type: Flip/Effect Monster Rarity: Ultra Rare Attack: 3000 Defense: 1800 FLIP: You can change all other face-up monsters on the field to face-down Defense Position

The set itself contains a whopping 1

Hieracosphinx [SD7-EN009] Common BT1-115 but the opponent's monster wasSet: Structure Deck: Invincible Fortress Card type: Effect Monster Rarity: Common Attack: 2400 Defense: 1200 While this card is face up on your side of the field, your opponent cannot select a face down Defense Position monster as an attack target.