Syr Arwen, the Emberflame

+1: Look at the top card of your library. You may reveal that card. If it's a Knight or an Equipment, you gain 2 life. Draw a card.
-2: Search your library for a Knight or Equipment card, reveal it, and put it into your hand. You lose 2 life.
-5: Syr Arwen, the Emberflame becomes a 4/3 Human Knight creature with first strike, lifelink, and indestructible.