Discard 1 card, Special Summon 1 "Queen's Knight" from your Deck, add 1 "King's Knight" or "Jack's Knight" from your Deck to your hand, then, immediately after this effect resolves, you can Normal Summon 1 monster. You cannot Special Summon monsters from the Extra Deck for the rest of this turn, except LIGHT Warrior monsters. 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 Straight" once per turn.