Forum:Is it worth buying Hidden Arsenal?

'''i only like ice barrier or flamvell with 3 synchro summon (ally of justice, Catastor, Mist Wurm, and Ice Barrier Dragon, Brionac but is it hard to get it or just too easy? tell me your reason to buy or not *im not telling you if i get lucky to good cards never had a luck with boosters) plus other questions which is better boosters? Crossroad of Chaos or Crimson Crisis?'''