Oz Heart of Magic (2019) #4 (CVR B VITORINO)

Dorothy and friends free Glinda and Adraste, but something-- make that a lot of somethings-- would see them all dead. Is it too late for the world of Oz anyway? Back in the Emerald City, the Heart of Oz is finally unearthed-- and nobody was expecting what they found. And the truth about the Wizard is revealed, as his power grows even more dangerous!