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"Crush Card Virus"
  • ウイルス
  • Uirusu (romanized)
  • ウィルス
  • Wirusu (romanized)
  • Virus
  • Virus
  • Virus
  • 바이러스
  • Baireoseu (romanized)
  • Vírus
  • Virus
Anime appearances
Manga appearances

Virus (ウイルス Uirusu or ウィルス Wirusu) is a series of Trap Cards used by Seto Kaiba in both the anime and manga, and by Baira in Yu-Gi-Oh! VRAINS.

The later members are spun off the original card, "Crush Card Virus". "Crush Card Virus" is a Virus Card in the manga. Somewhat ironically, "Crush Card Virus" no longer has the Lingering Effect of other "Virus" cards in the TCG/OCG due to receiving a major erratum so that it did not need to be Forbidden. However, the monster counterpart of "Crush Card Virus", "Doom Virus Dragon", has the same effect that it did prior to its erratum.


All members of the series have the following properties in common:

TCG/OCG ("Deck Destruction")[edit]

Each of the following Virus cards feature 「デッキ破壊ウイルス」 (Dekki Hakai Uirusu, "Deck Destruction Virus") in their Japanese names. Each also features a single kanji character with negative connotations in their names; this character is marked on the stylized "Virus monster" found on their card artworks, and is also found in the name of a DARK "king" monster.

These "dark king" monsters can be considered a monster series on their own; through "Diabolos, King of the Abyss" and its retrain "Darkest Diabolos, Lord of the Lair", they are also connected to the "Lair of Darkness" Field Spell and its associated cards in Structure Deck: Lair of Darkness, who also support the Virus playstyle.

English name Japanese name Cost Affected cards Associated monster
Crush Card 死のデッキ破壊ウイルス
(Deck Destruction Virus of Death)
1 DARK monster with 1000 or less ATK Monsters with 1500 or more ATK Lich Lord, King of the Underworld
(Death King Lich Lord)
Deck Devastation 魔のデッキ破壊ウイルス
(Deck Destruction Virus of the Demon)
1 DARK monster with 2000 or more ATK Monsters with 1500 or less ATK Diabolos, King of the Abyss
(Demon King Diabolos)
Eradicator Epidemic 闇のデッキ破壊ウイルス
(Deck Destruction Virus of Darkness)
1 DARK monster with 2500 or more ATK Spell or Trap Cards Prometheus, King of the Shadows
(Darkness King Prometheus)
Full Force 影のデッキ破壊ウイルス
(Deck Destruction Virus of Shadow)
1 DARK monster with 2000 or more DEF Monsters with 1500 or less DEF Duke Shade, the Sinister Shadow Lord
(Shadow King Duke Shade)
Grinning Grave 悪のデッキ破壊ウイルス
(Deck Destruction Virus of Wickedness)
1 DARK monster with 3000 or less ATK 1 card in their hand and/or Deck for every 500 ATK the Tributed monster had on the field Ahrima, the Wicked Warden
(Wicked King Ahrima)

TCG/OCG (non-"Deck Destruction")[edit]

Though "Planet Pollutant Virus" has similar effects as the "Deck Destruction"-themed virus cards, its Japanese name does not contain 「デッキ破壊ウイルス」.

Virus Cost Affected cards Associated monster
Planet Pollutant 1 "Alien" monster Face-up monsters without an A-Counter Interplanetary Invader "A"


Virus Cost Affected cards Associated monster
Current Corruption 1 DARK monster with 0 DEF Monsters with 2000 or less DEF Dark Mummy Probe
Deck Destruction 1 DARK Fiend-Type monster with 500 or less ATK 10 random cards from your opponent's Deck none
Last Machine Acid 1 WATER monster Machine monsters Acid Slime
Root Ransom 1 DARK monster with 0 ATK Link Monsters Dark Mummy Infuser

Playing style[edit]

Lair of Darkness[edit]

While Virus cards are generic trap cards by nature, they are strongly associated with and broadly supported by the Field Spell "Lair of Darkness", as well as its associated cards and strategy originating from Structure Deck: Lair of Darkness.