Pretty much all mushrooms either are an 80 satiety veggie, something completely ignored, or the two that are sometimes used for jokes.
Real-Life mushrooms have many more possible effects then instantaneous organ failure, such as a delayed version of the latter, making you high, making you simply feel sick but not lethal, or even just making you sleepy. Add the fantasy elements of VS, and things like temporal stability restoration/derogation are also possible.
We already have alcohol and the temporal hallucinations, so some questionable effects are just begging to be developed and implemented.
