Liliana, Untouched by Death is a mythic Legendary Planeswalker — Liliana card from Core Set 2019 (M19), collector number 106. Current market price: $2.53 (foil $13.73), TCGplayer market prices via Scryfall.
+1: Mill three cards. If at least one Zombie card is milled this way, each opponent loses 2 life and you gain 2 life. −2: Target creature gets -X/-X until end of turn, where X is the number of Zombies you control. −3: You may cast Zombie spells from your graveyard this turn.