Number 17: Leviathan Dragon [GENF-EN039] Ultimate Rare

Number 17: Leviathan Dragon [GENF-EN039] Ultimate RareSet: Generation Force Card type: Xyz Effect Monster Rarity: Ultimate 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.

where X is its power

If you Tribute Summon a monster that includes "Ancient Gear" in its card name

When this card's controller takes any damage

Set: Revised Edition Type: Artifact Rarity: Uncommon Cost: {1} {T}: Add {C}{C}

Set: Alpha Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {1}{G}{G} Enchant creature

Set: Portal Three Kingdoms Type: Creature — Bird Rarity: Common Cost: {1}{G} Plainswalk (This creature can't be blocked as long as defending player controls a Plains

destroy this card at the end of the Damage Step

Target opponent chooses a card at random from your hand

{W}{W}: Target creature gains indestructible until end of turn

this card negates the effects of your opponent's Spell

the Ravager

If this card is banished from your Graveyard: You can add 1 Ritual Monster from your Deck to your hand