AI Problems - Game

Game: A player and computer play matching card game using one deck of cards. Two levels must be established. The easy level requires to obtain 3 cards of same suit at a player hand in order to win the game. The hardest level requires 6 cards of same suit at a player hand. 3 cards or 6 cards are initially given to the players randomly. Later in order they open a new card and selects a card to throw out. Please obviously define your strategies and intellegince for computer, so that it can win the game mostly.