Blood for Bones is a uncommon Sorcery card from Core Set 2020 (M20), collector number 89. Current market price: $0.44 (foil $2.08), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, sacrifice a creature. Return a creature card from your graveyard to the battlefield, then return another creature card from your graveyard to your hand.