Knightmare Mermaid
2019 Gold Sarcophagus Tin Mega Pack (MP19) · #3679218 · Prismatic Secret Rare · yugioh
Card: Link Effect Monster
ATK / DEF: 1000 / — · Level 0 · WATER
Archetype: Knightmare
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.
DeckSpec Pricei
$0.22
Condition
Weighted composite · smoothed against one-off swings.
Current prices
Condition
normalNM
| Cardmarket | ≈$0.15 | 2026-08-09 |
| coolstuffinc | $0.49 | 2026-08-09 |
| ebay | $1.69 | 2026-08-09 |
| TCGplayer | $0.24 | 2026-08-09 |
Non-USD sources (e.g. Cardmarket, EUR) are shown converted to USD at €1 ≈ $1.15 — indicative, not an exact quote.
Prices update daily · last checked Sun Aug 09. Indicative, not offers — how we price.
Price history (last 180 days)
Condition key
NM Near MintLP Lightly PlayedMP Moderately PlayedHP Heavily PlayedDMG Damaged
Recorded prices are Near Mint; LP–DMG are estimated from standard hobby multipliers (foils discounted more steeply) — a guide, not a market quote.
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Printed in 2 sets
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