Evil-Lyn, Dark Sorceress

Hexproof
{u}{b}{t}: Search your deck for any instant or
sorcery card, then reveal it and put it into your
hand. Shuffle your library.
{x}{t}: You may cast an instant or sorcery from
any graveyard, where {x} is the converted mana
cost of that spell. Exile any spell cast in this way.