Card Rules: Rulings powered by The Netrep API. This card's effect is a Trigger Effect. It can be chained to with 'Barrel Behind the Door'. [Re: Bonding - H2O] Tributing 2 'Hydrogeddon' and 1 'Oxygeddon' is a cost to activate 'Bonding H2O'. You can Tribute face-down monsters for this cost. [Re: Water Dragon] When this card on the field is destroyed and sent to the Graveyard , its Optional Trigger Effect activates. You must have at least 2 'Hydrogeddon' and 1 'Oxygeddon' in your Graveyard to target otherwise the effect will not activate. If you have 3 correct targets the opponent can chain 'Disappear' to remove from play 1 of the monsters but the other 2 will still be Special Summoned. [Re: Water Dragon] The effect of 'Water Dragon' that activates when it is destroyed targets 2 'Hydrogeddon' and 1 'Oxygeddon' in the Graveyard. Passcode: 58071123 Set: Structure Deck ATK/DEF: 1800/800 Card Number: SD09-EN011 Monster Type: Dinosaur Rarity: Common Attribute: Wind Card Text: When this card is destroyed by battle with a Pyro-Type monster and sent to the Graveyard inflict 800 damage to both players. Level: 4 Card Type: Effect Monster Name: Oxygeddon Edition: 1st