The two eyed Jack is effectively a wild card that enables you to place a counter anywhere on the board.

The one eyed Jack that enables you to remove another players counters.The deck resembles a normal deck of cards with some minor variations: At the end of your turn you pick up a card. You then place a counter in the corresponding space on the board. Turns are very simple and consist of selecting a card from your hand and playing it to the discard pile.