Ravelia, Oni Huntress

Demons and Ogres in your hand have
"Channel- {2}{b} Discard this card: Search your deck for a Demon or Ogre with cost equal to or less than this card, put it onto the battlefield, then shuffle your library, you lose life equal to its converted mana cost."
{1}{w}, Sacrifice a Demon or Ogre: Put a +1/+1 counter on Ravelia, then gain life equal to the number of cards in your hand.