Sorin the Mirthless is a mythic Legendary Planeswalker — Sorin card from Innistrad: Crimson Vow Promos (PVOW), collector number 131s. Current market price: — (foil $6.19), TCGplayer market prices via Scryfall.
+1: Look at the top card of your library. You may reveal that card and put it into your hand. If you do, you lose life equal to its mana value. −2: Create a 2/3 black Vampire creature token with flying and lifelink. −7: Sorin deals 13 damage to any target. You gain 13 life.