[[Spanish release date::| ]][[Spanish Sneak Peek date::| ]] [[English release date::| ]] Lord of the Tachyon Galaxy is a Booster Pack in the Yu-Gi-Oh! Official Card Game (OCG) and Yu-Gi-Oh! Trading Card Game (TCG). It is the fourth set in the OCG's 8th series, following Cosmo Blazer and followed by Judgment of the Light.