Number 17: Leviathan Dragon [GENF-EN039] Ghost Rare Super Rare This card gains 1000 ATK

This card gains 1000 ATK for each card discarded by this effect

Set: Duel Terminal 5 Card type: Quick Play Spell Rarity: Common Activate only by paying 1500 Life Points when your opponent activates a Spell/Trap card or Effect Monster's effect that would destroy a monster(s) on the field

Set: Shonen Jump Magazine Promos Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 2100 1 Tuner + 1 or more non-Tuner DARK monsters Once per turn

If "Toon World" is on your side of the field and your opponent does not control a Toon Monster

Set: Turbo Pack: Booster Five Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 2800 Defense: 1000 1 Tuner + 1 or more non-Tuner monsters This card gains 100 ATK for every Warrior-Type monster in any Graveyard

Number 17: Leviathan Dragon [GENF-EN039] Ghost Rare Super Rare This card gains 1000 ATKSet: 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.