Deathrite Shaman is a rare Creature — Elf Shaman card from GRN Guild Kit (GK1), collector number 59. Current market price: $7.93, TCGplayer market prices via Scryfall.
{T}: Exile target land card from a graveyard. Add one mana of any color. (Activate only as an instant.) {B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life. {G}, {T}: Exile target creature card from a graveyard. You gain 2 life.