Stowaway is a Rogue minion card (rarity: rare) that belongs to the "Descent of Dragons" set, which was released on 10.12.2019 and is one of initially 140 cards. The artist of this card was Jakub Kasper, who also made 108 other artworks for Hearthstone.
The card costs 5 mana, has 4 attack and 4 health, and its card text reads: "Battlecry: If there are cards in your deck that didn't start there, draw 2 of them."
The flavor text of the card is the following: Cut him a break. Even economy class tickets are pretty expensive these days.
Based on 85 quiz answers, the card is moderately hard to memorize: 84% of them were correct. The question on “Attack” is answered correctly most often (100%), the one on “Health” least often (71%). An answer takes 6.4 seconds on average. In the Pixel Quiz, which shows only the shape and colour of the card, it was recognised correctly 71% of the time.