Yu-Gi-Oh! · Labyrinth of Nightmare

Mask of Weakness

French name: Masque de Faiblesse

LON-015Common

Mask of Weakness (Labyrinth of Nightmare LON-015) has a market price of US$0.45 to US$3.49 as of Nov 9, 2026.

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Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

UnlimitedUS$0.45Low US$0.20

1st EditionUS$3.49Low US$1.66

As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Card details

Type: Trap Card
Attribute: TRAP
Monster type: Normal
Archetype: Mask
ATK: 0
DEF: 0

Card text

This card can only be activated in the Battle Phase. Select 1 attacking monster and decrease the selected monster's ATK by 700 points during the turn this card is activated.

About this card

Mask of Weakness is card LON-015 in Labyrinth of Nightmare, a Yu-Gi-Oh! set released Dec 1, 2004. Rarity: Common. Finishes: Unlimited, 1st Edition. Reference market price on Nov 9, 2026: US$0.45 (Unlimited), US$3.49 (1st Edition). Over the last 30 days, the Unlimited price went down 6.3%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.