Abyss-scale of Cetus

Equip Spell

Equip only to a "Mermail" monster. It gains 800 ATK. When a Trap effect that was activated on your opponent's side of the field resolves, negate that effect, then send this card to the Graveyard.

Is it legal?

TCGUnlimited (3)

OCGUnlimited (3)

Master DuelUnlimited (3)

Rarity: Normal (N)

Genesys0 points

Price

$0.28 (TCGplayer market price by printing, as of Oct 11, 2026). See listings on TCGplayer · eBay · Cardmarket (EU)

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Price history & alerts

Rulings for Abyss-scale of Cetus

OCG Rulings

• The effect that negates the effects of Trap Cards does not start a chain. When the opponent activates a Trap Card, at the time that effect will resolve, the effect of this card is applied immediately.
• After this card has been equipped, if the opponent activates a Trap Card, this effect must be applied mandatorily when that effect resolves.
• The effect that negates the effects of Trap Cards is applied even during the Damage Step or Damage Calculation.
• This effect can negate the effects of Counter Trap Cards activated by the opponent.

Q&A Rulings

• Q: If a player has "Abyss-scale of Cetus" equipped to a monster, and the opponent activates a Set "Abyss-sphere", how does the effect of "Abyss-scale of Cetus" apply?
• Q: If a player has "Abyss-scale of Cetus" equipped to a monster, and the opponent activates the effect of "Ultimate Offering", how does the effect of "Abyss-scale of Cetus" apply?

Rulings text from Yugipedia, licensed CC BY-SA 4.0. OCG rulings are official in Japan and are the usual guide where the TCG has none; a head judge has the final say at an event.

Printings

TCGplayer market prices (what copies actually sold for), matched to each printing by set code and rarity, checked nightly. A guide, not a quote.