Maiden in Black

Indestructible
{t}, Sacrifice a Soul: Target creature gets +1/+0
until end of turn.
{t}, Sacrifice a Soul: Target creature gets +0/+1
until end of turn.
{t}, Sacrifice a Soul: You gain 1 life.
{t}, Sacrifice 5 Souls: Create an emblem with "Creatures you control get +1/+1."