Destiny HERO - Celestial (Secret Rare)

When this card declares an attack: You can target 1 face-up Spell your opponent controls, destroy it, and if you do, inflict 500 damage to your opponent. While you have no cards in your hand, except the turn this card was sent to the GY: You can banish this card and 1 "Destiny HERO" monster from your GY, draw 2 cards. You can only use this effect of "Destiny HERO - Celestial" once per turn.