Life of Toshiro Umezawa Saga Effect Bug
An opponent cast "Life of Toshiro Umezawa" . When it triggered its 3rd ability, its saga effect didn't vanish even my turn(submit picture) and had remained until the game ended.
AdminWizards_MS14#29616 (Product Owner, Wizards of the Coast) shared this idea
In MTG Arena when a creature with ward is targeted by Life of Toshiro option -1/-1 and ward cost is paid it gives the creature +2/+2 instead.
When LIfe of Toshio Umezawa was cast and the +2+2 was chosen the effect went away and time clock kept ticking causing to pass the turn.