defintively not only gold

{t}throw a 20 face dice, if the dice goes
2 to 19, gain {1}. If the dice goes 20, search
for "Smaug" in your library or graveyard
then cast it on your battlefield tapped. If the dice goes 1, search for "The Arkenstone"
in your library or graveyard and cast it on
your battlefield.
"That's why we need a thief."