If a rule or effect refers to a permanent’s level and that permanent doesn’t have a level, it is treated as though its level is 1.
October 4, 2019 · Throne of Eldraine
rule 716.2d not present in this release
August 23, 2019 · Commander 2019
The current combat phase ends. Remove all creatures and planeswalkers from combat. Effects that last “until end of combat” expire. The game skips straight to the next phase, usually the postcombat main phase; skip any steps between this step and that phase.