This expansion features new Decepticon villains including, Megatron, Starscream, and more! It adds new cards and new modes of play to the core game. The two primary modes of play added are a competitive mode where the Decepticons thwart each others' plans while they face the Autobots and cooperative mode where the Decepticons join their forces to battle the Autobots. This expansion also has rules for team vs. team games, when this expansion is combined with the Transformers Deck-Building Game Core Set (see "'Transformers Deck-Building Game'"), where the Decepticons can face the Autobot players head on.

The game box comes with 174 standard game cards, 6 oversized Character cards, 10 Encounter cards, and 5 reference cards. This game is for one to five players, ages 14 and up, and plays in 45-90 minutes. It will retail for $45.00.