Idioms on cards

Cards have always been a thing of interest throughout the history, be it english or someother language they have always caught the attention of the speakers, listners, writers , linguists and so on. Here are few idioms on cards, which have always fascinated me. 1) Someone's best/strongest card : It is something which gives an advantage to someone over others in a particular situation. eg:- Smith seemed to be worried least about the interview panel. He was sure, he will do well. Confidence is his best card. 2) Get your cards : to be told to leave a job . eg:- Since I could not finish the project I got my cards. 3) Give someone their cards : to make someone leave their job. eg:- As soon as the corruption charges were proved the minister was given his cards. 4) Have a card up your sleeve: to have an idea, plan, etc. that will give you an advantage in a particular situation. eg:- The vigorous attack backed by well co-ordinated passes was the match winner for Germany , it's one the cards up team Germany's sleeve. 5) Hold all the cards : to be able to control a particular situation because you have an advantage over the others. eg :- By the fag end of World War II the Allies seemed to hold all the cards , it was obvious that it will be a debacle for the axis powers. 6) Keep your cards close to your chest : To keep your ideas, plans, etc. secret. eg:- In the press conference the captain of the visiting teamed vaguely answered the questions regarding strategy for the next game. It was clear he was keeping his cards close to his chest. Rest of the idioms in next post.