Kobold Librarian is a Warlock minion card (rarity: common) that belongs to the "Kobolds & Catacombs" set, which was released on 07.12.2017 and is one of initially 135 cards. The artist of this card was Matt Dixon, who also made 302 other artworks for Hearthstone.
The card costs 1 mana, has 2 attack and 1 health, and its card text reads: "Battlecry: Draw a card. Deal 2 damage to your hero."
The flavor text of the card is the following: Kobolds sort books using a gooey decimal system.
Based on 117 quiz answers, the card is easy to memorize: 97% of them were correct. The question on “Cost” is answered correctly most often (100%), the one on “Name” least often (93%). An answer takes 4.8 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.