Build the ultimate battlefield with siege figures. Siege plunges fans into the epic fight to survive on the final day of the Autobus and deception battle to control Cybertron. The Deception resistance army and the Autobus counter-resistance fighters gear up with the C.O.M.B.A.T. (Cybertronian omnifuctional modular battlefield assault Tech) system, the universe's most advanced modular weaponry -- including the overly cautious Autobot army private and Medic, red Alert.