Rainbow Dark Dragon (BLRR-EN054) [BLRR]

• Number: BLRR-EN054
• Rarity: Ultra Rare
• 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 or Set. Must be Special Summoned (from your hand) by banishing 7 DARK monsters with different names from your Graveyard, and cannot be Special Summoned by other ways. You can banish all other DARK monsters you control and from your Graveyard; this card gains 500 ATK for each card banished this way.

(This card is always treated as an "Ultimate Crystal" card.)
Cannot be Normal Summoned or Set. Must be Special Summoned (from your hand) by banishing 7 DARK monsters with different names from your Graveyard, and cannot be Special Summoned by other ways. You can banish all other DARK monsters you control and from your Graveyard; this card gains 500 ATK for each card banished this way.