they will go to the graveyard for being attached to nothing
The Basic rulebook, read it! A lot of basic questions are answered there!
How to autocard :
Type [c]Black Lotus[/c] to get Black Lotus.
Type [c=Black Lotus]The Overpowered One[/c] to get The Overpowered One.
If you're going to be that picky, at least be right. The rules use the term "an illegal object or player", not "nothing".
Other than that, what is your problem with me?
I dream of Beer Head Armies.
Autocard is our friend. [c]Urborg Mindsucker[/c] → Urborg Mindsucker
I actually was going to use that but hey with "nothing" I cover every new thing they could come up with.