How would anybody here know ? And just because you and your friend pulled a ton of packs it is no proof whatsoever about odds changing . Each pack is a random draw like flipping a coin . What you get in one pack has absolutely nothing to do with the next pack . <| sep |> Carbon monoxide has the tendency to bind to your red bloodcells in your lungs better than Oxygen does . So enough CO in the air will result in you being deprived of oxygen . And extended periods of oxygen deprivation can cause a whole range of symptoms and may eventually lead to brain damage . If you ' re in an room with little to no ventilation the carbon monoxide may built up to higher concentrations . A high enough concentration may deprive you of so much oxygen you die .