Rodolph Duskbringer

Flying, Deathtouch, Lifelink
Whenever you gain life, Rodolph Duskbringer
gains indestructible until end of turn.
At the beginning of your end step, you may pay {1}{w/b}. When you do, return target creature card
with mana value X or less from your graveyard to
the battfield, where X is the amount of life
you gained this turn.