Destroying Angel and similar mushroom's have a toxin in it which kills some kind of rna enzyme needed for cell's to function properly. Not sure if it exactly fi

Destroying Angel and similar mushroom's have a toxin in it which kills some kind of rna enzyme needed for cell's to function properly. Not sure if it exactly fits the bill of DNA shredding but it'll give you irreversible organ failure in a matter of hours https://en.wikipedia.org/wiki/Destroying_angel https://en.wikipedia.org/wiki/Destroying_angel