Celestine, the Living Saint + Coretapper + Magistrate's Scepter
Combo result
Infinite turns. Prerequisites
All permanents on the battlefield. Celestine and Coretapper do not have summoning sickness. An opponent is unable to block and kill Celestine.
Timestream Navigator + Cellar Door + Celestine, the Living Saint
Combo result
Infinite turns. Prerequisites
All permanents on the battlefield. Timestream Navigator and Celestine do not have summoning sickness. Opponents cannot block and kill Celestine. You have the city's blessing. {U}{U} available each turn.