Chronos' eye

Players becomes a thief and play1 card from your hand per 1 round at the same time. When thief plays the card of the “same number” or “same color” with Phantom thief, he/she can steal the gem from Phantom thief. If you steal or save the gem at the end of the game, you will be the winner! However, in the middle of the game, Phantom thief play the card to the Notice and save the gem, Phantom thief becomes the winner too. Let’s try to steal or save the gem and be the winner. —description from the publisher