YZ-Tank Dragon [MFC-054] Super Rare
1st Edition - LP
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![Gem-Knight Aquamarine [HA05-EN020] Secret Rare](https://cdn.shopify.com/s/files/1/0836/1931/6002/products/8f741336-dd74-55ac-999c-bd0ba3058e85.png?v=1699412701)
Gem-Knight Aquamarine [HA05-EN020] Secret Rare
| Set: | 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.