When Treacherous Pit-Dweller enters the battlefield from a graveyard, target opponent gains control of it. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
![Treacherous Pit-Dweller [Avacyn Restored]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/b051a31b-6047-5da6-b921-ea616a710ddc_489b4395-74be-4864-85ea-08e6c3550a14.jpg?v=1698567377&width=1445)