Valyria, Cyna's Apprentice

Whenever Valyria, Cyna's Apprentice enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.
If you do, target player loses life equal to the converted mana cost of that spell.
If there are seven or more instant and/or sorcery cards in your graveyard, return Valyria, Cyna's Apprentice to your hand.
"If only her morals would match her talent..."
--Cyna, Mistress of Time, about Valyria