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 - $48.200
Lightly Played - $38.600
Moderately Played - $33.800
Heavily Played - $29.000
Damaged - $24.100
Near Mint Spanish - $48.200
Lightly Played Spanish - $38.600
Moderately Played Spanish - $33.800
Heavily Played Spanish - $29.000
Damaged Spanish - $24.100