Maybe, it’s possible the other molds would just spread to another location in the house. You would also need a particularly genetically hardy sample of oyster mycelium. Many of the times I’ve tried to grow mushrooms the mushroom was out competed by wild fungus.
If the neat-looking, edible mushrooms thrive in the damp, would they crowd out some of the more toxic moulds?
Maybe, it’s possible the other molds would just spread to another location in the house. You would also need a particularly genetically hardy sample of oyster mycelium. Many of the times I’ve tried to grow mushrooms the mushroom was out competed by wild fungus.