Number 17: Leviathan Dragon [GENF-EN039] Ghost Rare Platinum Rare Set: Speed Duel: Arena of

Set: Speed Duel: Arena of Lost Souls Card type: Effect Monster Rarity: Common Attack: 2600 Defense: 2300 Gains 500 ATK for each Dragon monster your opponent controls or is in their GY

Set: Speed Duel Decks: Destiny Masters Card type: Normal Spell Rarity: Common Add 1 "Toon" card from your deck to your hand

When this card is Fusion Summoned: Halve the ATK and DEF of all face-up monsters your opponent controls

If you negate an effect this way

Set: Legendary Collection 5D's Card type: Equip Spell Rarity: Rare Equip only to an "Aesir" or "Nordic" monster

Number 17: Leviathan Dragon [GENF-EN039] Ghost Rare Platinum Rare Set: Speed Duel: Arena ofSet: 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.