Narcissism is a uncommon Enchantment card from Torment (TOR), collector number 134. Current market price: $0.14 (foil $0.81), TCGplayer market prices via Scryfall.
{G}, Discard a card: Target creature gets +2/+2 until end of turn. {G}, Sacrifice this enchantment: Target creature gets +2/+2 until end of turn.