Destiny HERO - Plasma (Secret Rare) (SGX1-ENB01) - Speed Duel GX: Duel Academy Box 1st Edition

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing 3 monsters. Negate the effects of face-up monsters while your opponent controls them. Once per turn: You can target 1 monster your opponent controls; equip that target to this card (max. 1). This card gains ATK equal to half the original ATK of the monster equipped to it by this effect.