Malfurion Stormrage

Hideaway (This creature enters the battlefield tapped.
When it does, look at the top four cards of your library,
exile one face down, then put the rest on the bottom
of your library.)
7 XP: {u}{g}, {t}: Draw a card. You may put a land
card from your hand onto the battlefield tapped.
10 XP: {u}{g}, {t}: You may play the exiled card
without paying its mana cost.