Requiem Monolith is a rare Artifact card from Edge of Eternities Promos (PEOE), collector number 113p. Current market price: $0.31 (foil $0.61), TCGplayer market prices via Scryfall.
{T}: Until end of turn, target creature gains "Whenever this creature is dealt damage, you draw that many cards and lose that much life." That creature's controller may have this artifact deal 1 damage to it. Activate only as a sorcery.