Gem-Knight Topaz [HA05-EN021] Secret Rare Duel Terminal 5 you can select and activate

you can select and activate 1 of these effect: •Destroy Spell or Trap Cards on the field up to the number of "Elemental Hero" and "Destiny Hero" monsters you control (not counting this card)

it loses 500 ATK and during battle between that attacking monster and a Defense Position monster whose DEF is lower than the selected monster's ATK

You can only use the effect of "Mermail Abyssocea" once per turn

Set: Legendary Decks II Card type: Normal Monster Rarity: Common Attack: 1700 Defense: 1150 An axe-wielding monster of tremendous strength and agility

you can Special Summon 1 FIRE monster with 1500 or less ATK from your Deck in in face-up Attack Position

Gem-Knight Topaz [HA05-EN021] Secret Rare Duel Terminal 5 you can select and activateSet: Hidden Arsenal 5: Steelswarm Invasion Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 1800 Defense: 1800 "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 destroyed monster in the