Yu-Gi-Oh Card Maker Wiki
Number C17: Gran Leviathan Dragon
CNo.17 グランドリバイス·ドラゴン
Number C17 Card.jpg
Japan-flag.png Romaji Kaosu Nanbāzu Jūnana Gurando Ribaisu Doragon
Japan-flag.png Translated Chaos No. 17 Grand Leviath Dragon
Attribute Water Water.png
Type(s) [ Dragon/Xyz/Effect ]
Rank 3 18px-RankStar.svg.png18px-RankStar.svg.png18px-RankStar.svg.png
ATK / DEF 2000 / 0
3 Level 3 WATER monsters

You can also Xyz Summon this card by using 1 "Number 17: Leviathan Dragon" you control as the Xyz Material. (WATER Xyz Materials attached to that monster also become Xyz Materials of this card.) Once per turn: You can detach 1 Xyz Material from this card; Increase the ATK of this monster by 500, and, if your Life Points are lower than 1000, increase the ATK and DEF of all monsters you control by 500. Negate the effects of card effects that would negate this monster's attack.