Kai-Den Kendo Spirit (FLOD-EN000) - Flames of Destruction Unlimited

Pendulum Effect: If a monster(s) is Pendulum Summoned: Return this card in your Pendulum Zone to your hand.
Monster Effect: When this card is Normal Summoned: you can choose one card in your Pendulum Zone, and send to the Graveyard all cards your opponent controls in that column. Once per turn, during the End Phase, if this card was Normal Summoned or flipped face-up this turn: Return this card to the hand.