Wonderous Sorcery is the thirteenth pack in Yu-Gi-Oh! Nightmare Troubadour, and is accessible when the Expert Cup is obtained. This pack contains special monsters and powerful warriors. It also has devious Traps/Spells that will guide you to victory. This pack is for intermediate duelists. The 51 cards in Wonderous Sorcery include 0 Normal Monster Cards, 17 Effect Monster Cards, 1 Fusion Monster Card, 0 Ritual Monster Cards, 23 Spell Cards, and 10 Trap Cards.