Transformers Deck-Building Game A Rising Darkness Expansion Board GameDescriptionSpecificationsShipping Become a mighty Decepticon and race to defeat the Autobots in this standalone expansion to the Transformers Deck Building Game! This expansion is compatible with the core game and will offer 2 primary modes of play: Competitive mode (the Decepticons squabble amongst each other while they face the Autobots) and Cooperative mode (the Decepticons join their forces to defeat the Autobots). This expansion also introduces