The Black Knight is a neutral minion card (rarity: legendary) that belongs to the "Legacy" set. The artist of this card was Alex Horley Orlandelli, who also made 170 other artworks for Hearthstone.
The card costs 4 mana, has 4 attack and 4 health, and its card text reads: "TradeableBattlecry: Destroy an enemy minion with Taunt."
The flavor text of the card is the following: He was sent by the Lich King to disrupt the Argent Tournament. We can pretty much mark that a failure.
Based on 141 quiz answers, the card is easy to memorize: 94% of them were correct. The question on “Card text” is answered correctly most often (100%), the one on “Health” least often (89%). An answer takes 4.4 seconds on average. In the Pixel Quiz, which shows only the shape and colour of the card, it was recognised correctly 86% of the time.