Demonic Demise Dragon, Azi Dahaka

Darkness Dragon World :This card cannot be ridden. [Call Cost][Pay two gauges] :When this unit would attack, choose a card with "Azi Dahaka" in its card name from your hand or drop, and you may bind it. If you do, this unit battles all of your opponent's front row units for that battle. :When this unit is retired during your opponent's turn or your damage check reveals a card during your opponent's turn, if your does not have an Item, search your deck or drop for up to one card with "Aqulta Gwaneff" in its card name, and arm it to your vanguard. If you searched the deck, shuffle the deck.