Rona, Sheoldred's Faithful is a uncommon Legendary Creature — Human Wizard card from Multiverse Legends (MUL), collector number 58. Current market price: $0.22 (foil $0.16), TCGplayer market prices via Scryfall.
Whenever you cast an instant or sorcery spell, each opponent loses 1 life. You may cast this card from your graveyard by discarding two cards in addition to paying its other costs.