(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.
![Rainbow Dark Dragon [SDSA-EN010] Common - Board Wipe](http://boardwipe.com/cdn/shop/products/217701_400w.jpg?v=1611530302&width=1946)
![Rainbow Dark Dragon [SDSA-EN010] Common - Board Wipe](http://boardwipe.com/cdn/shop/products/217701_200w.jpg?v=1611530314&width=1946)
![Rainbow Dark Dragon [SDSA-EN010] Common - Board Wipe](http://boardwipe.com/cdn/shop/products/217701_400w.jpg?v=1611530302&width=1445)
![Rainbow Dark Dragon [SDSA-EN010] Common - Board Wipe](http://boardwipe.com/cdn/shop/products/217701_200w.jpg?v=1611530314&width=1445)