The deck features the Fiend-Type Theme. It is a Fiend-Type Deck based on using the "Dark World" Monsters; it includes 5 new cards and many reprints.

This Gates of the Underworld - Structure Deck (Unlimited) contains:
• 1 Deck of 40 cards (1 Ultra Rare, 2 Super Rares and 37 Commons)
• 1 Rulebook
• 1 Dueling Guide
• 1 Playmat

DECK LIST:

Monster (22)
• 1 Battle Fader
• 1 Beiige, Vanguard of Dark World
• 1 Belial - Marquis of Darkness
• 1 Broww, Huntsman of Dark World
• 1 Brron, Mad King of Dark World
• 1 Card Guard
• 1 Ceruli, Guru of Dark World
• 1 Goblin King
• 1 Goldd, Wu-Lord of Dark World
• 1 Grapha, Dragon Lord of Dark World
• 1 Grave Squirmer
• 1 Gren, Tactician of Dark World
• 1 Kahkki, Guerilla of Dark World
• 1 Newdoria
• 1 Reign-Beaux, Overlord of Dark World
• 1 Sangan
• 1 Scarr, Scout of Dark World
• 1 Sillva, Warlord of Dark World
• 1 Snoww, Unlight of Dark World
• 1 Tragoedia
• 1 Renge, Gatekeeper of Dark World
• 1 Zure, Knight of Dark World

Spell (9)
• 1 Allure of Darkness
• 1 Card Destruction
• 1 Dark Eruption
• 1 Dark World Dealings
• 1 Dark World Lightning
• 2 Gateway to Dark World
• 1 Terraforming
• 1 The Gates of Dark World

Trap (9)
• 1 Dark Bribe
• 1 Dark Deal
• 1 Dark Scheme
• 1 Deck Devastation Virus
• 1 Eradicator Epidemic Virus
• 1 Escape from the Dark Dimension
• 1 Mind Crush
• 1 The Forces of Darkness
• 1 The Transmigration Prophecy