Dralnu, Necrotic Mage

Lifelink When Dralnu, Necrotic Mage enters the battlefield, exile target player's graveyard. You may cast nonland cards exiled with Necrotic Mage.
At the beginning of your upkeep, if Dralnu, Necrotic Mage is in the command zone, each player puts the top three cards of his or her library into his or her graveyard and you lose 2 life.