Oz: The Heart of Magic #5 (Johnson Cover)
Even with the aid of some unexpected forces, Dorothy and her friends are losing the fight to reclaim the Emerald City. To finally defeat the Wizard, Dorothy must risk losing herself once again to the Gem of Zamora. And there must always be a balance to magic. So, even if the Emerald City is restored to its glory, what will be the cost to Oz itself?