Ozkar, Shifting Sire

Whenever another creature enters the battlefield under your control, if you didn't cast it, you may return up to one target creature card from your graveyard to your hand.
Transfigure {2}{b} ({2}{b}, Sacrifice this permanent: Search your library for a creature card with the same converted mana cost as this permanent and put that card onto the battlefield. Then shuffle your library. Transfigure only as a sorcery.)