Life Insurance is a rare Enchantment card from Duskmourn: House of Horror Commander (DSC), collector number 224. Current market price: $0.31, TCGplayer market prices via Scryfall.
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Whenever a nontoken creature dies, you lose 1 life and create a Treasure token.