Forces of the Imperium is one of four preconstructed Commander decks from Magic: The Gathering's "Universes Beyond" crossover with Warhammer 40,000, along with Necron Dynasties, Tyranid Swarm, and The Ruinous Powers. Each of the decks ties into one of the factions from the Warhammer 40,000 universe and is available in both a standard and a collector's edition; Forces of the Imperium is a white, blue, and black deck based on the Imperium and led by Inquisitor Greyfax and Marneus Calgar.
The deck contains 100 cards, 1 foil-etched display commander, 10 double-sided tokens, 1 life tracker, and 1 deck box. The contents of the Collector's Edition are the same, except that all cards (including the tokens and the display commander) have a unique premium "Surge Foil" treatment.