The Seal of Orichalcos (UDE promo)

Card Text

This Spell Card is impervious to negation, destruction, and removal. Increase the ATK power of all your monsters by 500. You control a back row of monsters that cannot be attacked while a monster is in the front row. Send this card from your hand to the Graveyard to negate and destroy any card. The soul of whichever Duelist loses this Duel is forfeit to the winner.