Soras, Moonbow Ranger

+1: Look at the top 4 cards of your library. You may reveal a creature or land from among them and put it into your hand. Shuffle the rest back.
-3: Destroy target artifact, enchantment, or creature with flying
-X: Deal X damage to a creature or planeswalker, then deal X-1 damage to a different target, repeat this until X is 0, not repeating targets