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 - $27.10
Lightly Played - $24.40
Played - $19.00
Heavily Played - $16.30
Damaged - $13.60
Near Mint Non-English - $27.10
Lightly Played Non-English - $24.40
Played Non-English - $19.00
Heavily Played Non-English - $16.30
Damaged Non-English - $13.60