Darkmoon Knightess

{t}: gain 2 life.
{t}: target creature gains lifelink until end of turn.
If Dark Sun Gwyndolin died this turn, sacrifice Darkmoon Knightess. Destroy target creature.
"What am I? Well...I am the Keeper of the bonfire.
If not for me, what beacon would there be in this lost
city? A gatekeeper, and a guide; that is my calling."