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 - $78.10
Lightly Played - $70.30
Moderately Played - $62.50
Heavily Played - $54.70
Damaged - $39.10
NM-Mint Non English - $78.10
Lightly Played Non English - $70.30
Moderately Played Non English - $62.50
Heavily Played Non English - $54.70
Damaged Non English - $39.10