YuGiOh! - Space Magician Girl

If your opponent activates a Spell or Trap Card (Quick Effect): You can negate the activation, and if you do, shuffle that card into the Deck. If this card is in your GY: You can banish 1 LIGHT monster from your GY; Special Summon this card, but reduce its ATK by 500. You can only use each effect of "Space Magician Girl" once per turn.