Teval, the Balanced Scale is a mythic Legendary Creature — Spirit Dragon card from Tarkir: Dragonstorm Commander (TDC), collector number 8. Current market price: $5.49 (foil $5.00), TCGplayer market prices via Scryfall.
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.