The Marsh Queen is a Hunter spell 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 A. J. Nazzaro, who also made 73 other artworks for Hearthstone.
The card costs 1 mana and its card text reads: "Quest: Play seven 1-Cost minions. Reward: Queen Carnassa."
The flavor text of the card is the following: Question: What's scarier, one giant angry dinosaur or 20 smaller vicious ones? Answer: AHHHHHHH THEY FOUND MEEEEEE
Based on 117 quiz answers, the card is easy to memorize: 96% of them were correct. The question on “Name” is answered correctly most often (98%), the one on “Cost” least often (94%). An answer takes 5.6 seconds on average.