Liliana the Faultless is a rare Legendary Creature — Human Cleric card from Reality Fracture (FRA), collector number 293. Current market price: $8.33 (foil $20.74), TCGplayer market prices via Scryfall.
Whenever another creature or planeswalker you control enters, you gain 1 life. {1}, {T}, Discard a card: Another target creature or planeswalker you control gains hexproof until end of turn.