Ravnica : war of the spark

"An official novel set in the world of Magic The Gathering--the collectible card game played by millions--featuring iconic characters on an Avengers-style mission. Planeswalkers, powerful mages from many disparate realities, must unite against the elder dragon Nicol Bolas, who has claimed dominion over Ravnica and is perilously close to completing the spell that will grant him godhood. Now, as dozens of Planeswalkers fight alongside the Gatewatch...