Priest of Forgotten Gods is a rare Creature — Human Cleric card from Ravnica Allegiance (RNA), collector number 83. Current market price: $1.11 (foil $3.79), TCGplayer market prices via Scryfall.
{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature of their choice. You add {B}{B} and draw a card. (Activate only as an instant.)