Gem-Knight Topaz [HA05-EN021] Secret Rare

“Gem-Knight Tourmaline” + 1 “Gem-Knight” monster Must first be Fusion Summoned with the above Fusion Material Monsters. This card can attack twice during the same Battle Phase. When this card destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to ATK of the monster destroyed in the Graveyard.