Number 17: Leviathan Dragon [BP01-EN027] Starfoil Rare P-056 Set: Shadows in Valhalla Card

Set: Shadows in Valhalla Card type: Effect Monster Rarity: Secret Rare Attack: 1000 Defense: 1800 (Quick Effect): You can send this card from your hand to the GY

Set: Dark Revelation Volume 1 Card type: Effect Monster Rarity: Common Attack: 1600 Defense: 1600 FLIP: Add 1 card that includes "Guardian" in its card name from your Deck to your hand

You must also Tribute monsters whose total Levels equal 4 or more from the field or your hand

if your WATER monster whose original Level is 5 or higher battles an opponent's monster: Destroy that opponent's monster

Number 17: Leviathan Dragon [BP01-EN027] Starfoil Rare P-056 Set: Shadows in Valhalla CardSet: Battle Pack: Epic Dawn Card type: Xyz Effect Monster Rarity: Starfoil 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.