Masked HERO Dark Law - RA01-EN025 Prismatic Collector's Rare 1st Edition

Must be Special Summoned by "Mask Change". Any card sent to your opponent's GY is banished instead. Once per turn, if your opponent adds a card(s) from their Deck to their hand (except during the Draw Phase or the Damage Step): You can banish 1 random card from your opponent's hand.