Duality Duel

Choose a nontoken player. If there is not a player named Mirror Image, create a player token named Mirror Image with the same life total as
the chosen player to the right of chosen player. Mirror image gets a copy of each permanent on the battlefield under chosen player's control. Mirror Image gets an emblem with "You draw from the library of the player to your left. You
may play cards drawn from that library as if you were the owner."