"Queen's Knight" + "Jack's Knight" + "King's Knight"
A Fusion Summon of this card can only be done with the above Fusion Material Monsters. Once per turn, during either player's turn, when a Spell/Trap Card, or monster effect, is activated that targets this face-up card on the field: You can discard the same type of card (Monster, Spell or Trap); negate the effect.