Ghastly Gravedigger is a Rogue minion card (rarity: epic) that belongs to the "Murder at Castle Nathria" set, which was released on 02.08.2022 and is one of initially 135 cards. The artist of this card was L. Lullabi & K. Turovec, who also made 120 other artworks for Hearthstone.
The card costs 3 mana, has 4 attack and 3 health, and its card text reads: "Battlecry: If you control a Secret, choose a card in your opponent's hand to shuffle into their deck."
The flavor text of the card is the following: Some people take their secrets to the grave.
Based on 45 quiz answers, the card is moderately hard to memorize: 78% of them were correct. The question on “Attack” is answered correctly most often (100%), the one on “Health” least often (57%). An answer takes 7.4 seconds on average.