Number 17: Leviathan Dragon [GENF-EN039] Ultimate Rare

Number 17: Leviathan Dragon [GENF-EN039] Ultimate RareSet: Generation Force Card type: Xyz Effect Monster Rarity: Ultimate 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.

The original ATK and DEF of this card become equal to the combined original ATK of the 2 Fusion Material Monsters you used for the Fusion Summon of this card

this card can attack your opponent''s Life Points directly

Set: Duelist Pack: Kaiba Card type: Normal Monster Rarity: Super Rare Attack: 3000 Defense: 2500

You can discard 1 card from your hand to destroy 1 Attack Position monster your opponent controls

Set: Generation Force Card type: Xyz/Effect Monster Rarity: Ultimate Rare Attack: 2000 Defense: 0 2 Level 3 monsters Once per turn: You can detach 1 Xyz Material from this card

If this card has "Number 107: Galaxy-Eyes Tachyon Dragon" as an Xyz Material

Set: Strike of Neos Card type: Effect Monster Rarity: Ultimate Rare Attack: 800 Defense: 600 Once per turn

Set: Tournament Pack 5 Card type: Continuous Trap Rarity: Super Rare When your opponent's card(s) are discarded to the Graveyard inflict 500 points of damage to his/her Life Points for each card that was discarded

Spell and Trap Cards cannot be activated in response to this effect''s activation

Set: Cyberdark Impact Card type: Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 1600 This card cannot be Special Summoned

Set: Structure Deck: Realm of the Sea Emperor Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 1300 Once per turn: You can discard 1 WATER monster to the Graveyard to target 1 card on the field

your opponent cannot activate any Spell/Trap Cards until the end of the Damage Step