mountain fortress

capture 1 (take control of target creature)
defend 3 (sacrifice 3 target creatures this building gets +X/+0 where X= the power of the creatures you sacrificed)
if this buildings power is 10 or more, fair X where X=this building's power (to fair X, say a card type, then reveal the top X cards of your library, you may gain life or deal damage equal to the amount of the card type revealed, then put the cards of that card type into your hand) (card types are creatures, instants, sorcery, en