Briana, Innistradi Bloodwitch

Hexproof, Deathtouch
Your opponents lose Hexproof and cannot
have or gain Hexproof.
{b/r}{b/r}{b/r}, Sacrifice an Aura: Search your library
for an Aura card and put it on the battlefield.
Target opponent loses life equal to that Aura's
converted mana cost and you gain that much life.