You and target player exchange control of the creature you each control with the highest converted mana cost. Then exchange control of artifacts the same way. If two or more permanents a player controls are tied for highest cost, their controller chooses one of them.
Near Mint - $8.800
Lightly Played - $7.000
Moderately Played - $6.100
Heavily Played - $5.300
Damaged - $4.400
Near Mint Spanish - $8.800
Lightly Played Spanish - $7.000
Moderately Played Spanish - $6.100
Heavily Played Spanish - $5.300
Damaged Spanish - $4.400