Number 17: Leviathan Dragon [GENF-EN039] Ghost Rare Dark Beginning 1 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

Set: Duel Terminal - Preview Card type: Normal Trap Rarity: Common Target monster gains 500 ATK until the end of this turn

When this card destroys a monster and sends it to the Graveyard as a result of battle

Set: Retro Pack 1 Card type: Normal Monster Rarity: Ultra Rare Attack: 3000 Defense: 2500

Set: Force of the Breaker Card type: Effect Monster Rarity: Ultimate Rare Attack: 1600 Defense: 1500 You can discard this card to the Graveyard to add 1 "Necrovalley" from your Deck to your hand

Number 17: Leviathan Dragon [GENF-EN039] Ghost Rare Dark Beginning 1 or when a Spell/Trap CardSet: Generation Force Card type: Xyz Effect Monster Rarity: Ghost Rare Attack: 2000 Defense: 0 2 Level 3 monsters Once per turn: You can detach 1 Xyz Material from this card, this card gains 500 ATK. If this card has no Xyz Materials, it cannot attack your opponent directly.