Magic (Mtg) #16 Cvr B Secret Planeswalker Var

In Ravnica, the Metal Mage reigns as a shadowy dictator, while Vraska, Ral Zarek, and Kaya are trapped in an impossible situation, unable to escape. But can Niko, Chandra, and Garruk find Davirel Cane, Tezzerets elusive but potentially useful minion, and turn the tide on the side of freedom?