Yu-Gi-Oh! · Hidden Arsenal 5: Steelswarm Invasion
Gem-Knight Topaz
French name: Topaze, Chevalier-Gemmes
Gem-Knight Topaz (Hidden Arsenal 5: Steelswarm Invasion HA05-EN021) has a market price of US$0.50 to US$0.99 as of Nov 10, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 10, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Fusion Monster
- Level
- 6
- Attribute
- EARTH
- Monster type
- Thunder
- Archetype
- Gem-
- ATK
- 1,800
- DEF
- 1,800
Card text
Gem-Knight Tourmaline + 1 "Gem-Knight" monster // Must first be Fusion Summoned using the above Fusion Material Monsters. This card can attack twice during the same Battle Phase. When this card destroys an opponent's monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to that monster's ATK.
About this card
Gem-Knight Topaz is card HA05-EN021 in Hidden Arsenal 5: Steelswarm Invasion, a Yu-Gi-Oh! set released Dec 6, 2011. Rarity: Secret Rare. Finishes: Unlimited, 1st Edition. Reference market price on Nov 10, 2026: US$0.50 (Unlimited), US$0.99 (1st Edition). The Unlimited price did not change over the last 30 days. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.