You can Special Summon this card (from your hand) to your center Main Monster Zone.

During your Main Phase: You can add 1 "Elfnote" monster from your Deck to your hand, except "Elfnote Lucina".

During your opponent's turn (Quick Effect): You can switch the locations of this card in your Main Monster Zone and the monster in your center Main Monster Zone, then you can return 1 Level 6 or lower monster your opponent controls to the hand.