ForbiddenKnightmare Mermaid
Link Effect Monster
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.
- Attribute
- WATER
- Type
- Fiend
- Level
- 0
- Link
- 1
- ATK
- 1000
Explained
A Link-1 from 1 "Knightmare" monster. When Link Summoned, discard 1 card to Special Summon a Knightmare from your Deck, then draw 1 if it was co-linked. Monsters on the field lose 1000 ATK/DEF unless they're co-linked.
It can't be used in Advanced Format. It's Forbidden in the TCG.
- Forgetting the -1000 ATK/DEF also hits Knightmare Mermaid itself when it isn't co-linked.
How it works
Status: Forbidden in the TCG (Sept 21, 2026 list), so it can’t be used in Advanced Format.
Materials: 1 “Knightmare” monster, except “Knightmare Mermaid”.
- When Link Summoned (once per turn): Discard 1 card; Special Summon 1 “Knightmare” monster from your Deck. Then, if this card was co-linked when the effect was activated, you can draw 1 card.
- Continuous: Monsters on the field lose 1000 ATK/DEF, unless they’re co-linked.
Rulings in plain English
Summon effect: A Trigger Effect. The discard is a cost. The draw is optional and only happens if the summon worked; the two aren’t simultaneous.
ATK/DEF loss: Applies to face-up monsters on both fields, including this card if it isn’t co-linked.
