Minreda, The Sorcerer's Mother

Hexproof, Abhorrence

Whenever a black creature spell is cast, you
may shuffle a card from your graveyard into
your library.

"The Master took my only child from me. Put his poisonous words in his head and corrupted all his strength. With the Shadow Legions at my side, I will push the cult back into the darkness from which it once came."