Rainbow Dark Dragon

Yes Rainbow DARK Dragon is gonna be out soon and this is it and what its effect :




Card Attribute: Dark
Card Type(s): Dragon/Effect
Level: 10
ATK/DEF: 4000/0
Number: 79407975
Card Effect Type(s): Summon/Ignition
Card Lore: This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by removing 7 different DARK monsters in your Graveyard from play. You can remove from play all DARK monster(s) you control and in your Graveyard. If you activate this effect, this card gains 500 ATK for each card removed


Its probably going to come in a Dark Strycture Deck or in the next booster pack.