Swamp King Dred is a Hunter minion card (rarity: legendary) that belongs to the "Journey to Un'Goro" set, which was released on 06.04.2017 and is one of initially 135 cards. The artist of this card was Alex Horley Orlandelli, who also made 170 other artworks for Hearthstone.
The card costs 6 mana, has 9 attack and 9 health, and its card text reads: "After your opponent plays a minion, attack it."
The flavor text of the card is the following: Swamp King Dred, more like Swamp King Dead, amiright?
Based on 84 quiz answers, the card is easy to memorize: 94% of them were correct. The question on “Name” is answered correctly most often (95%), the one on “Attack” least often (92%). An answer takes 6.7 seconds on average. In the Pixel Quiz, which shows only the shape and colour of the card, it was recognised correctly 100% of the time.