These packs contain a Unit Card pack containing one of each Unit Card that relates to their book, and a Command Card pack that allow Flames Of War generals to field iconic warriors, build new types of units, field new types of equipment, enhance your commander's capabilities, and ...These packs contain a Unit Card pack containing one of each Unit Card that relates to their book, and a Command Card pack that allow Flames Of War generals to field iconic warriors, build new types of units, field new types of equipment, enhance your commander's capabilities, and bring new tactics and stratagems to the battlefield. The packs have been designed to assist existing players that have already bought our miniatures and built their armies under previous editions and want cards to help transition to V4.