When you cast this spell, destroy target permanent.
When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.
Return target card from your graveyard to your hand. If you return a nonland card to your hand this way, Vengeful Rebirth deals damage equal to that card's converted mana cost to any target.
Exile Vengeful Rebirth.
When Walker of the Grove leaves the battlefield, create a 4/4 green Elemental creature token.
Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)