Yu-Gi-Oh! · 2019 Gold Sarcophagus Tin Mega Pack
Knightmare Mermaid
French name: Sirène, Chevalier du Cauchemar
Knightmare Mermaid (2019 Gold Sarcophagus Tin Mega Pack MP19-EN025) has a market price of US$0.67 to US$0.79 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Link Monster
- Level
- 0
- Attribute
- WATER
- Monster type
- Fiend
- Archetype
- Knightmare
- ATK
- 1,000
Card text
1 "Knightmare" monster, except "Knightmare Mermaid" If this card is Link Summoned: You can discard 1 card; Special Summon 1 "Knightmare" monster from your Deck, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Mermaid" once per turn. Monsters on the field lose 1000 ATK/DEF, unless they are co-linked.
All card details
- Link rating
- 1
- Link arrows
- Bottom
About this card
Knightmare Mermaid is card MP19-EN025 in 2019 Gold Sarcophagus Tin Mega Pack, a Yu-Gi-Oh! set released Aug 30, 2019. Rarity: Prismatic Secret Rare. Finishes: Unlimited, 1st Edition. Reference market price on Nov 9, 2026: US$0.67 (Unlimited), US$0.79 (1st Edition). Over the last 30 days, the Unlimited price went up 4.7%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.
