Chomp and Stomp! It’s time for some Dino-Might! Grimlock and the Dinobots face off against the evil Shockwave and Devastator, the first playable Combiner in the Transformers Deck-Building Game. Who will win in this battle of prehistoric power versus cold logic? This is an expansion, Transformers Deck-Building Game required to play. Features: Grimlock and the Dinobots have arrived to deliver a prehistoric punch! Featuring Devastator, on a giant-sized card, as the first playable Combiner! New player cards for even more variety! —description from the publisher