Number 17: Leviathan Dragon [GENF-EN039] Ghost Rare 086 you can add this additional

you can add this additional effect to that card's effect at resolution

Set: EX: Legend Maker Type: Water Rarity: Rare Retreat cost: Colorless

you can switch the ATK and DEF of all face-up monsters your opponent controls

Set: Ghosts From the Past: The 2nd Haunting Card type: Effect Monster Rarity: Ghost Rare Attack: 2800 Defense: 1000 Cannot be Normal Summoned/Set

Set: EX: Team Rocket Returns Type: Fire

Number 17: Leviathan Dragon [GENF-EN039] Ghost Rare 086 you can add this additionalSet: 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.