Flying Whenever Teval attacks, mill three cards. Then you may return a land card from your graveyard to the battlefield tapped. Whenever one or more cards leave your graveyard, create a 2/2 black Zombie Druid creature token.

Whenever Sidisi enters or attacks, mill three cards. Whenever one or more creature cards are put into your graveyard from your library, create a 2/2 black Zombie creature token.