"Gem-Knight Tourmaline" + 1 "Gem-Knight" monster This monster can only be Special Summon by Fusion Summoned (from the Extra Deck) using the above cards as Fusion Material Monsters. This card can attack twice during each Battle Phase. When this card destroys a monster by battle and sends it to the Graveyard, inflict damage to your opponent equal to the ATK of the destroyed monster.