Card Rules: Rulings powered by The Netrep API. If this card battles a monster with equal ATK , and both are destroyed you cannot Special Summon a 'Hydrogeddon' from your Deck. [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: 22587018 Set: Structure Deck ATK/DEF: 1600/1000 Card Number: SD09-EN010 Monster Type: Dinosaur Rarity: Common Attribute: Water Card Text: When this card destroys an opponent's monster by battle and sends it to the Graveyard you can Special Summon 1 'Hydrogeddon' from your Deck. Level: 4 Card Type: Effect Monster Name: Hydrogeddon Edition: 1st