Shielding Peace

Prevent all damage that would be dealt by creatures this turn. If Shielding Peace was not cast from your hand, you gain life equal to the damage prevented this way.
Hex {2}{w}{w} (You cast this card as a 2/2 face-down creature for {3}. You can turn it face-up and cast it any time you could cast it from your hand by paying its hex cost.)
Flashback {4}{w}{w} (You may cast this card from your graveyard for its flashback cost. Then exile it.)