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 - $19.800
Lightly Played - $15.900
Moderately Played - $13.900
Heavily Played - $11.900
Damaged - $9.900
Near Mint Spanish - $19.800
Lightly Played Spanish - $15.900
Moderately Played Spanish - $13.900
Heavily Played Spanish - $11.900
Damaged Spanish - $9.900