discoma mushrooms

I’m looking at trading or buying one of these Superman shrooms off a local guy. Never had anything but ricordea shrooms before. Are these guys toxic? A buddy had his torch fall onto a shroom, I’m assuming it’s a rhodactis, and it neatrly killed the torch. Pretty sure these aren’t rhcodactis but...

Building a new aquascape in my 100g and I want to add a mushroom garden in the front low portion of the tank, my initial thoughts are to build marina type rock structure around them to minimize the flow on them. Looking for inspiration, ideas and pictures, please:)

Please help! I have 4-5 Red/Orange Discosoma Mushrooms with unusual but pretty bubbles. I've searched all over the internet for information but have found nothing. I know they aren't bounce mushrooms. This is so strange! I've never seen nor can I find anyone who has heard of these types of...