Card Appearances:Venom Swamp
- In Yu-Gi-Oh! GX episode A Snake in the Grass, Part 1", 117: "Thelonious Viper used this card during his Duel against Jaden Yuki. After it is activated, "Elemental Hero Clayman" lost 500 ATK since it had a Venom Counter. On Viper's End Phase, this card placed another "Venom Counter" on "Clayman". Since the ATK of "Clayman" was reduced to 0 by this effect, this card destroyed "Clayman". In the next episode, this card placed a Venom Counter on "Elemental Hero Plasma Vice" on Jaden's End Phase. On Jaden's next turn, he activated "R - Righteous Justice" to destroy this card, but Viper discarded "Venom Snake" to activate "Snake Deity's Command", which negated and destroyed "R - Righteous Justice" and boosted the ATK of "Vennominon the King of Poisonous Snakes" to 2000. On Jaden's End Phase, this card placed a Venom Counter on "Elemental Hero Bubbleman". On Viper's next End Phase, this card placed a Venom Counter on "Elemental Hero Neos". On Jaden's next End Phase, this card placed a Venom Counter on "Elemental Hero Marine Neos". In the next episode, this card placed a Venom Counter on "Card Trooper" on Jaden's End Phase. Since the ATK of "Clay Trooper" was reduced to 0 by this effect, this card destroyed it. Jaden then activated the last effect of "Card Trooper" to draw 1 card. On Jaden's next End Phase, this card placed a Venom Counter on "Elemental Hero Wildedge". On Jaden's next End Phase, this card placed a Venom Counter on "Elemental Hero Darkbright". This card remained on the field until the Duel was over.
- In Yu-Gi-Oh! GX episode A Sight Unseen, Part 1", this card is seen in a flashback within Jaden's mind when he remembered Viper telling him that people who fight for no reason can't fight again when they lose interest and Jaden didn't carry something that becomes power when he is in danger. 139: "
- In Yu-Gi-Oh! GX episode The True Graduation Duel! Judai VS The Legendary Duelist", this card is shown in a series of flashbacks Jaden had when he noted to himself that a Duel isn't fun for everyone and that he knew that there is a serious responsibility in a Duel. In order to prepare for that, Jaden had to become more like an adult, but there is something that must not be forgotten. 180: "