Crista Darkshield

+1: Crista Darkshield deals 1 damage to target creature and player. That creature can't block this turn and can't attack on it's owners turn.
-3: The next spell you cast this turn gains buyback, where it's cost is equal to that card's converted mana cost.
-8: Create an emblem with" If the next damage would reduce your life total to less than 1 reduces it to 1 instead. This only happens once per turn."