Melira, the Living Cure (Borderless) (ONE-333) - Phyrexia: All Will Be One: (Showcase)

If you would get one or more poison counters, instead you get one poison counter and you can't get additional poison counters this turn.
Exile Melira: Choose another target creature or artifact. When it's put into a graveyard this turn, return that card to the battlefield under its owner's control.