Joker's Wild

During the Main or Battle Phase: Send 1 Spell from your Deck to the GY that specifically lists all of "Queen's Knight", "King's Knight", and "Jack's Knight"; this effect becomes that Spell's effect when that card is activated. During the End Phase, if this card is in your GY: You can target 1 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 Wild" once per turn.