Parapet is a common Enchantment card from Visions (VIS), collector number 14. Current market price: $0.12, TCGplayer market prices via Scryfall.
You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step. Creatures you control get +0/+1.