Keeper of the Divine Blood

{w/b}{w/b}, {t}: Double another target creature you
control's power and toughness until the end of
turn. It gain Flying and Lifelink until the end of
turn. At the beginning of the next end step,
sacrifice it.
Whenever another creature you control dies, you
may gain life equal to that creature's toughness.
"The keeper anoint the champions of our faith with
the blood of the gods."