Malevolent Strike is a Rogue spell card (rarity: epic) that belongs to the "Madness at the Darkmoon Faire" set, which was released on 17.11.2020 and is one of initially 135 cards. The artist of this card was Hideaki Takamura, who also made 62 other artworks for Hearthstone.
The card costs 5 mana and its card text reads: "Destroy a minion. Costs (1) less for each card in your deck that didn't start there."
The flavor text of the card is the following: "I don't know how those got in there, but I'm blaming you two."
Based on 68 quiz answers, the card is moderately hard to memorize: 84% of them were correct. The question on “Card text” is answered correctly most often (89%), the one on “Name” least often (80%). An answer takes 6.9 seconds on average.