Liesa, Shroud of Dusk is a rare Legendary Creature — Angel card from The List (PLST), collector number CMR-286. Current market price: $0.67, TCGplayer market prices via Scryfall.
Rather than pay {2} for each previous time you've cast this spell from the command zone this game, pay 2 life that many times. Flying, lifelink Whenever a player casts a spell, they lose 2 life.