Haruna, Queen of Scales

+2: Up to one target Dragon, Snake or Dinosaur you control gets +1/+1 and gains haste until end of turn.
-4: Reveal the top four cards of your library. You may put a Dragon, Snake or Dinosaur revealed this way onto the battlefield under your control.
-6: Exile up to six cards from the top of your library, then Haruna, Queen of Scales deals that much damage to each creature you don't control.