You have the city's blessing and/or control at least nine permanents.
Oriq Loremage does not have summoning sickness if Timestream Navigator is in your library.
Kenrith, the Returned King + Oriq Loremage + Timestream Navigator
Combo result
Infinite turns. Prerequisites
Timestream Navigator in your graveyard. All other permanents on the battlefield. You have the city blessing. {U}{U}{B}{R} available each turn.
Oriq Loremage + Efreet Flamepainter + Beacon of Tomorrows
Combo result
Infinite turns. Prerequisites
Beacon of Tomorrows in your library. All permanents on the battlefield without summoning sickness. An opponent is unable to block and kill Efreet Flamepainter. {U}{U} available on each extra turn.