Hydrogeddon [DR04-EN073] Super Rare Astral Pack 5 or when a Spell/Trap Card

or when a Spell/Trap Card that is already face-up on the field activates its effect: You can send this card from your hand or your side of the field to the Graveyard

you can send up to 3 cards from the top of your Deck to the Graveyard

you can send 1 Dragon-Type Monster from your hand to the Graveyard to add 1 Dragon-Type Monster from your Graveyard to your hand

when a Special Summoned monster activates its effect while you have a "Shaddoll" card in your hand: You can negate the activation

that Spell/Trap/effect now targets this face-up card on the field

Hydrogeddon [DR04-EN073] Super Rare Astral Pack 5 or when a Spell/Trap CardSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Super Rare Attack: 1600 Defense: 1000 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.