Doomsayer is a neutral minion card (rarity: epic) 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 2 mana, has 0 attack and 7 health, and its card text reads: "At the start of your turn, destroy ALL minions."
The flavor text of the card is the following: He's almost been right so many times. He was sure it was coming during the Cataclysm.
Based on 164 quiz answers, the card is easy to memorize: 99% of them were correct. The question on “Cost” is answered correctly most often (100%), the one on “Attack” least often (97%). An answer takes 4.2 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.