Pares, Merchant Guild Master

{u}: Choose any number of other permanents you control. Target player does the same with permanents he or she controls. Then you and that player may gain control of the permanents each other has chosen. Activate this ability only once each turn. Any number can be 0.
{1}{g/w}: Obtain gold. (Put a colorless artifact token named Gold onto the battlefield. It has "Sacrifice this artifact: Add one mana of any color to your
mana pool.")