Number 17: Leviathan Dragon (Red) [DL15-EN012] Rare Toon Monster If the result is 1

If the result is 1

When that monster is destroyed and sent to the Graveyard

this card gains ATK equal to the destroyed monster's original ATK until the end of this turn

while it has an Xyz Material attached that was originally Dragon-Type

Normal Summon 1 "Constellar" monster

Number 17: Leviathan Dragon (Red) [DL15-EN012] Rare Toon Monster If the result is 1Set: Duelist League Promo Card type: Xyz Effect Monster Rarity: 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 Material, it cannot attack your opponent directly.