![Gem-Knight Aquamarine [HA05-EN020] Secret Rare Metal [x2] Set: HeartGold & SoulSilver: Unleashed](https://cdn.shopify.com/s/files/1/0643/5648/3327/products/8f741336-dd74-55ac-999c-bd0ba3058e85.png?v=1652405550)
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Set: HeartGold & SoulSilver: Unleashed Type: Fire Rarity: Rare Retreat cost: Colorless
negate 1 attack from your opponent's monster
Set: HeartGold & SoulSilver: Black Star Promos Type: Colorless Rarity: Black Star Promo
When this card is Flip Summoned
Set: Dark Revelation Volume 3 Card type: Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 1000 This card cannot be Normal Summoned or Set
Gem-Knight Aquamarine [HA05-EN020] Secret Rare Metal [x2] Set: HeartGold & SoulSilver: UnleashedSet: Hidden Arsenal 5: Steelswarm Invasion Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 1400 Defense: 2600 "Gem Knight Sapphire" + 1 "Gem Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. If this card attacks, it is changed to Defense Position at the end of the Battle Phase. When this card is sent from the field to the Graveyard: Target 1 card your opponent controls; return it to the hand.
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