Rainbow Dark Dragon | SDCB-EN008

Set: Structure Deck: Legend of the Crystal Beasts
Number: SDCB-EN008
Rarity: Common
Attribute: DARK
Monster Type: Dragon
Card Type: Effect Monster
Attack: 4000
Defense: 0
Description: (This card is always treated as an "Ultimate Crystal" card.)
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 7 DARK monsters with different names from your GY. You can banish all other DARK monsters from your field and GY; this card gains 500 ATK for each card banished this way.