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 - $74.40
Lightly Played - $70.70
Moderately Played - $67.00
Heavily Played - $59.50
Damaged - $48.40
NM-Mint Non English - $74.40
Lightly Played Non English - $70.70
Moderately Played Non English - $67.00
Heavily Played Non English - $59.50
Damaged Non English - $48.40