L'Arachel, Light Valkyrie

+1: Tap or untap target criature. If that creature is a Demon or Zombie, exile it instead and you gain 5 life.
-2: Target creature with power 4 or less gains hexproof and indestructible.
-6: You get an emblem with "You have hexproof and whenever you lose life, you gain half that same amount of life rounded down".