Arcana Knight Joker [DT04-EN037] RareSet: Duel Terminal 4 Card type: Fusion Effect Monster Rarity: Rare Attack: 3800 Defense: 2500 "Queen's Knight" + "Jack's Knight" + "King's Knight" A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters. Once per turn, if this face up card on the field is targeted by a Spell Card, Trap Card, or Effect Monster's effect, you can negate that effect by discarding the same kind of card (Spell, Trap, or Monster Card).