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.)
Near Mint - $20.25
Lightly Played - $19.25
Moderately Played - $16.25
Heavily Played - $12.25
Damaged - $10.25
Near Mint Non-English - $20.25
Lightly Played Non-English - $19.25
Moderately Played Non-English - $16.25
Heavily Played Non-English - $12.25
Damaged Non-English - $10.25