You can send 1 "Queen's Knight", "King's Knight", or "Jack's Knight" from your Deck to the GY; Special Summon this card from your hand, and if you do, this card's name becomes the sent monster's name until the End Phase. During the End Phase, if this card is in your GY: You can target 1 other LIGHT Warrior monster in your GY; shuffle it into the Deck, and if you do, add this card to your hand. You can only use each effect of "Joker's Knight" once per turn.