The Name Unspoken

{b}{b}, sacrifice The Name Unspoken: Return a Legendary Creature to your hand from the
graveyard or exile. Use this ability only when
The Name Unspoken is blocked or targeted by a
spell your opponent controls.
"And then I knew it bore that ancient name. The
name unspoken, unspeakable, and thus forgotten.
The dusk of hope and doom of joy awakened at my
ill- favored words."