Complex sentence: The Risk 2210 A.D.-Terror Tactics Command Deck is a deck of twenty cards designed to be used alongside the original game-it can either be used in place of an existing command deck of the players choice or with the use of an additional command token.
Split into simpler sentences: The Risk 2210 A.D.-Terror Tactics Command Deck is a deck of twenty cards designed to be used alongside the original Risk 2210 AD game. It can either be used in place of an existing command deck of the players choice or with the use of an additional command token.