I hope he is penalized as well, although in order to be "horrific" something usually needs to be surprising, and I am not at all surprised to have heard this. Desensitized to such things, or whatever...
We had one of those at my high school. I almost miss it. They were so thoughtful. We could have spent money on something that would actually be educational, but thought it would be more important for Oversoul to be able to access Everything2 from any room in the school...
Seriously, the school...
I'm not sure if it would be unbalanced or not. You could try to use it and then get burned when if fetches a Plains on the first try and your opponent's Fireblast on the next...