Yrothal, Branded Valkryie

+1: Create 2 1/1 White Sprits with Flying
-2: Up to 2 target creatures you control gain +2/+0 Haste and Deathtouch until the beginning of the next end step
-6: Exile the top 6 cards of you library. Non land cards exiled this way gain Siphon. You may cast those cards until the end of your next turn.