Vizier of Remedies is a uncommon Creature — Human Cleric card from Amonkhet (AKH), collector number 38. Current market price: $0.37 (foil $2.74), TCGplayer market prices via Scryfall.
If one or more -1/-1 counters would be put on a creature you control, that many -1/-1 counters minus one are put on it instead.