You pay less to play this card if there are no face-down cards in your Shinobi EX Area.

Whenever a card is put face-up into your Shinobi EX Area or whenever a face-down card in your Shinobi EX Area is flipped face up ⇒ You may put a Ninjutsu from your Hand or Shinobi EX Area into your graveyard. If you do, put a Ninja resonator from your graveyard into your hand.

: Target a Ninja you control. Put a Ninja resonator from your Shinobi EX Area into the field. Put the chosen target face up into your Shinobi EX Area.

: Flip a face-up card in your Shinobi EX Area face down.