A Big update has rolled out for Fire Emblem Heroes and with it, some more changes to the gameplay and game modes. The next Voting Gauntlet will be “Battle Of The Mages” and begins on May 12th until May 18th. Two new Summoning Focuses are also available which can net you some powerful Magic Users if you are lucky and for the next week, you can earn 1.5 times more experience. You can check out the full details via these screenshots of the In-game notification panel.
Source: Fire Emblem Heroes In-Game Notification