Keli'dan the Breaker is a Warlock minion card (rarity: legendary) that belongs to the "Ashes of Outland" set, which was released on 07.04.2020 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 3 attack and 3 health, and its card text reads: "Battlecry: Destroy a minion. If drawn this turn, instead destroy all minions except this one."
The flavor text of the card is the following: He calms down a lot if you just give him a turn.
Based on 72 quiz answers, the card is moderately hard to memorize: 81% of them were correct. The question on “Name” is answered correctly most often (100%), the one on “Health” least often (67%). An answer takes 4.7 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.