Pandora's Jewelry Box
[ Pendulum Effect ] 
While you have no cards in your Extra Deck: You can target 1 card in your opponent's Pendulum Zone; destroy it, and if you do, place this card in your opponent's Pendulum Zone.
[ Monster Effect ] 
While you have no cards in your Extra Deck, draw 2 cards instead of 1 for your normal draw during your Draw Phase.