Wikia

Original	First Errata
This card can only be Special Summoned by the effect of "A Deal with Dark Ruler". This card can attack all monsters on your opponent's side of the field once. You cannot attack your opponent directly if you attack any monsters first. Decrease the ATK of this card by 500 points during each of your End Phases.	This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by the effect of "A Deal with Dark Ruler". This card can attack all monsters on your opponent's side of the field once each. Decrease the ATK of this card by 500 points during the End Phase of each of your turns.
Dark Crisis DCR-019 Added by Pcouw	Dark Revelation Volume 1 DR1-EN181 Added by Pcouw

Card Errata:Berserk Dragon