Recumbent Bliss is a common Enchantment — Aura card from Duel Decks: Ajani vs. Nicol Bolas (DDH), collector number 26. Current market price: $0.25, TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature can't attack or block. At the beginning of your upkeep, you may gain 1 life.