Castle of Dark Illusions Gallery Rulings Errata Tips Appearances Trivia Lores Artworks Names Anime Konami's Yu-Gi-Oh! Duel Monsters Manga Yu-Gi-Oh! The Duelists of the Roses Yu-Gi-Oh! Forbidden Memories Yu-Gi-Oh! Destiny Board Traveler Yu-Gi-Oh! Duel Monsters (video game) Yu-Gi-Oh! Duel Monsters II: Dark duel Stories Yu-Gi-Oh! Dungeon Dice Monsters (video game) OCG Rulings When "Castle of Dark Illusions" is flipped, its effect increases the ATK of all Zombie-Type monsters that are already face-up on the field. The timing which increases the ATK, is during each Standby Phase of the controller of this card. References ↑ 1.0 1.1 Konami OCG Card Database: Castle of Dark Illusions Retrieved from "https://yugioh.fandom.com/wiki/Card_Rulings:Castle_of_Dark_Illusions?oldid=2046228" Category: Card Rulings Community content is available under CC-BY-SA unless otherwise noted.