Graduit, Dragon's Warrior

+2: Look at the top 3 cards of your library. You may reveal a dragon among them and put it in your hand.
-4: Search your deck for a dragon card, put it on the battlefield tapped, and shuffle your library. Then discard a card.
-10: Search your deck for up to 10 dragon cards, and put them on the battlefield. They gain haste until end of turn.