Phyrexian Unlife (WOT-011) - Wilds of Eldraine: Enchanting Tales: (Showcase) (Borderless) Foil

You don't lose the game for having 0 or less life.
As long as you have 0 or less life, all damage is dealt to you as though its source had infect. (Damage is dealt to you in the form of poison counters.)