The set introduces the "Guardian" monsters and a contains support for Equip Spell Cards to back them up. It contains numerous cards from the Virtual World arc and a few from Battle City. It also reprints "Black Luster Soldier" as an Ultimate Rare.
Yami Yugi's appearance on the cover of this booster pack is taken from the omake at the end of Yu-Gi-Oh! Duelist Duel 126: "Awaken the Gods!!" (also present on the title page of Yu-Gi-Oh! Duelist Duel 130: "Ultimate Summon!!").
Each pack contains 5 cards and each box contains 30 packs.
The set contains 54 cards, or 60 in the Master Set. This is comprised of: