Stealer of Souls is a Warlock minion card (rarity: rare) that belongs to the "Wailing Caverns" addition of the "Forged in the Barrens" set. It was released on 02.06.2021 and is one of initially 35 cards. The artist of this card was James Ryman, who also made 287 other artworks for Hearthstone.
The card costs 4 mana, has 2 attack and 6 health, and its card text reads: "The first card you draw each turn costs Health instead of Mana."
The flavor text of the card is the following: The tooth fairy gig didn't work out.
Based on 61 quiz answers, the card is moderately hard to memorize: 82% of them were correct. The question on “Health” is answered correctly most often (92%), the one on “Attack” least often (69%). An answer takes 8.4 seconds on average.