Priest of Morzzfang

Lifelink, Deathtouch

While Priest of Morzzfang is on the battlefield, other humans you control get +1/+1.
{t} and sacrifice a human: Target creature you control gets +X/+X until the end of your turn where
X is equal to the sacrificed creature's power and toughness combined.

-"Consider it a privilege to sacrifice your life."