Chimeratech Fortress Dragon [JUMP-EN031] Ultra Rare Legendary Collection 2 you must Tribute 3 Dragon-Type

you must Tribute 3 Dragon-Type monsters

Set: Black & White: Next Destinies Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

Set: Team Rocket Unlimited Type: Fire Rarity: Uncommon Retreat cost: Colorless

the monster is also destroyed

When your opponent activates a card or effect that targets a card(s) you control (Quick Effect): You can Tribute 1 monster this card points to

Chimeratech Fortress Dragon [JUMP-EN031] Ultra Rare Legendary Collection 2 you must Tribute 3 Dragon-TypeSet: Shonen Jump Magazine Promos Card type: Fusion Effect Monster Rarity: Ultra Rare "Cyber Dragon" + 1 or more Machine Type monsters. This monster cannot be used as a Fusion Material Monster. You can only Special Summon this card from your Extra Deck by sending the above cards from either side of the field to the Graveyard. (You do not use "Polymerization".) The original ATK of this card is equal to 1000 x the number of Fusion Material Monsters used