Lost Sanctuary Structure Deck gave Duelists the forces of the heavens to command. Now, in this diabolical companion deck, Duelists can match them with the forces of perdition! The Dark World monsters are the fearsome warlords and armies of the underworld. First debuting in 2005, theyve lurked on the edges of the tournament scene ever since. This Structure Deck gives Dark World monsters major refit, to bring them up to modern Dueling standards. The core of this set is comprised of Dark World cards which also includes 5 brand new Dark World cards.This Structure Deck Contains 37 Common Cards, 2 Super Rare Cards, 1 Ultra Rare Card, 1 Rulebook, 1 Game Mat, 1 Dueling Guide.