Hack the System is a Warrior spell card (rarity: legendary) that belongs to the "Saviors of Uldum" set, which was released on 06.08.2019 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 and its card text reads: "Quest: Attack 5 times with your hero. Reward: Anraphet's Core."
The flavor text of the card is the following: Anything can be hacked, if you're holding an axe.
Based on 96 quiz answers, the card is easy to memorize: 94% of them were correct. The question on “Cost” is answered correctly most often (96%), the one on “Card text” least often (93%). An answer takes 4.9 seconds on average. In the Pixel Quiz, which shows only the shape and colour of the card, it was recognised correctly 75% of the time.