Ashenborn Vagabond

Pact (At the beginning of your upkeep, sacrifice a creature or pay life equal to this creature's converted mana cost.)
If Ashenborn Vagabond's pact was paid with sacrifice this turn, it gains lifelink until end of turn.
If Ashenborn Vagabond's pact was paid with life this turn, it gets +1/+0 until end of turn.