The Kingsroad

{t}: Add {g} to your mana pool.
{3}{g}{g}{t}: Reveal the top card of your library. If
a creature card is revealed this way, you may put
it onto the battlefield tapped without paying its
mana cost. Otherwise, draw a card.
"I'd stay well clear of that kingsroad, if I were you.
It's worse than bad, I hear. Wolves and lions both,
and bands of broken men preying on anyone they
can catch."