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Knightmare Mermaid

$0.24

TCGplayer market

Forbidden Link Effect Monster W · Knightmare archetype

ATK

1000

Link Rating

Type

Fiend

Link Markers

Bottom

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.

Price History

TCGplayer

$0.24

Cardmarket

$0.25

eBay

$1.69

Amazon

$1.24

CoolStuffInc

$0.49

46-Day High

$0.25

46-Day Low

$0.23

Volatility

STABLE

Banlist Status

Currently: Forbidden

2026-09-26 Forbidden

YGOPRODeck only publishes the current banlist, not a change history — the earliest entry above is a baseline snapshot from whenever Scarabhold first tracked this card, not necessarily its true original ban date. Everything after that is a real, dated change.