Gem-Knight Aquamarine
MonsterOther names: Cavaliere-Gemma Acquamarina (Italian)
The code HA05-EN020 you looked up matches:
- HA05-EN020 · Hidden Arsenal 5: Steelswarm Invasion · Secret Rare
- Set
- Hidden Arsenal 5: Steelswarm Invasion
- Code
- HA05-EN020
- Rarity
- Secret Rare
Market price
€0.12
Cardmarket · lowest across all versions
Unchanged since Nov 7, 2026 · read on Nov 7, 2026
- $0.19 · TCGplayer (USA) · lowest across all versions
The card’s price, not your copy’s: the free sources do not tell languages or editions apart. For Italian cards the real price may differ.
The history starts on the first day we read the price.
- Type
- Aqua / Fusion / Effect
- Attribute
- EARTH
- Level
- 6
- ATK / DEF
- 1400 / 2600
- Archetype
- Gem-
Text
"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 that target to the hand.
Printings (3 printings)
- DT05-EN035May 29, 2011Duel Terminal 5a · Duel Terminal Super Parallel Rare
- HA05-EN020Dec 1, 2011Hidden Arsenal 5: Steelswarm Invasion · Secret Rare
- BLMM-EN137Aug 28, 2025Battles of Legend: Monster Mayhem · Ultra Rare
Types and rarities are shown as listed by the card database (in English).