Namavi, Slayer of Giants

+2: Search your library for a non-legendary black or white creature with converted mana cost of 2 or less. Reveal it, then put it in your hand.
0: All black creatures you control gain Deathtouch until your next turn.
-10: You gain an emblem with "Whenever you cast a creature spell, summon a 2/2 black bird creature token."