Ethereal Conjurer is a Mage minion card (rarity: common) that belongs to the "The League of Explorers" set, which was released on 12.11.2015 and is one of initially 45 cards. The artist of this card was Benjamin Zhang, who also made 9 other artworks for Hearthstone.
The card costs 5 mana, has 6 attack and 4 health, and its card text reads: "Battlecry: Discover a spell."
The flavor text of the card is the following: Despite the name, he's a solid conjurer.
Based on 135 quiz answers, the card is moderately hard to memorize: 87% of them were correct. The question on “Card text” is answered correctly most often (96%), the one on “Health” least often (79%). An answer takes 5.6 seconds on average.