Overlord Runthak is a neutral minion card (rarity: legendary) that belongs to the current "Core" set. The artist of this card was Trent Kaniuga, who also made 29 other artworks for Hearthstone.
The card costs 5 mana, has 3 attack and 6 health, and its card text reads: "Rush. Whenever this attacks, give +1/+1 to all minions in your hand."
The flavor text of the card is the following: Knows how to lift everyone up while tearing every enemy down.
Based on 52 quiz answers, the card is easy to memorize: 94% of them were correct. The question on “Name” is answered correctly most often (100%), the one on “Health” least often (85%). An answer takes 5.6 seconds on average.