The Chaos Keeper enters with a sealed Magic booster pack of your choice under it. (You provide a new pack each time.) Whenever The Chaos Keeper deals combat damage to a player, reveal its cards and put one of them into your hand. (Don't open the booster pack until the first time this ability reolves.)
NM-Mint - $200.70
Lightly Played - $190.70
Moderately Played - $180.70
Heavily Played - $160.60
Damaged - $130.50
NM-Mint Non English - $200.70
Lightly Played Non English - $190.70
Moderately Played Non English - $180.70
Heavily Played Non English - $160.60
Damaged Non English - $130.50