deck on the chance that it is drawn into the hand when initiating a battle. Product compatibility The cards from the previous Horus Heresy collectible card game (which was also produced by Sabertooth Games) are usable with Dark Millennium, although the Horus Heresy cards only represent two of the factions within Dark Millennium. Players playing Chaos decks or Imperial decks can freely use Traitor and Loyalist cards in their decks, respectively. Cards from Dark Millennium may not be used in games of Horus Heresy. Dark Millennium products Sabertooth Games previously indicated that they intended to release roughly four expansion sets for Dark Millennium per year, in an effort to keep the game universe fresh. While this schedule was met in 2006, the product was scheduled for retirement in 2007, with the final expansion set released in April of that year. Starter decks from the base set are available for each of the four main factions, with the majority of the remaining sets available only as boosters. The following card sets and products have been released or announced: References External links Sabertooth Games' Dark Millennium homepage and fiction Card games introduced in 2005 Warhammer 40,000 card games Collectible card games