Cyber Twin Dragon [DR04-EN035] Ultra Rare HER011-P or leaves the field because

or leaves the field because of an opponent's card effect while its owner controls it: You can inflict 500 damage to your opponent for each "Frightfur" monster in your Graveyard

really big

you may discard a land card instead

Set: Cyberdark Impact Card type: Effect Monster Rarity: Ultimate Rare Attack: 2400 Defense: 1200 This card cannot be Special Summoned

{T}: Gain control of target creature with power less than or equal to Old Man of the Sea's power for as long as Old Man of the Sea remains tapped and that creature's power remains less than or equal to Old Man of the Sea's power

Cyber Twin Dragon [DR04-EN035] Ultra Rare HER011-P or leaves the field becauseSet: Dark Revelation Volume 4 Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 2100 "Cyber Dragon" + "Cyber Dragon" A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters. This card can attack twice during the same Battle Phase.