Code of the Duelist is a Booster Pack in the Yu-Gi-Oh! Official Card Game (OCG) and Yu-Gi-Oh! Trading Card Game (TCG). This set includes members/support for: "Dark Contract", "Dark World", "D/D" "Lightsworn", "Odd-Eyes", "Predaplant", "Saber", "Supreme King Dragon", "Traptrix", "Trap Hole"; as well as "Captain", "Dark counterpart" and "Rescue Squad". Three new archetypes: "Gouki", "Trickstar", "World Chalice" and "World Legacy" were introduced.