Satan, Fallen Angel

Lifelink, Deathtouch
{3}{w}, Sacrifice an angel: Satan, Fallen Angel
gains +X/+X until the end of the turn and perpetually
gains Satanic, where X is the sacrificed creature's
toughness. gain life equal to half of X, rounded up.
{5}{b}, Sacrifice a demon: Satan, Fallen Angel
perpetually gains +X/+X and loses Satanic, where
X is the sacrificed creature's power.
lose life equal to X.