Shadow Word: Ruin is a Priest spell card (rarity: epic) that belongs to the "Legacy" set. The artist of this card was Ben Olson, who also made 10 other artworks for Hearthstone.
The card costs 4 mana and its card text reads: "Destroy all minions with 5 or more Attack."
The flavor text of the card is the following: Discovered by a worgen priest after a giant spilled a drink on her new white robes.
Based on 122 quiz answers, the card is moderately hard to memorize: 89% of them were correct. The question on “Name” is answered correctly most often (92%), the one on “Cost” least often (85%). An answer takes 6.2 seconds on average. In the Pixel Quiz, which shows only the shape and colour of the card, it was recognised correctly 89% of the time.