Nerubian Swarmguard is a common Death Knight minion card that belongs to the "Path of Arthas" set, which was released on 06.12.2022 and is one of initially 26 cards. The artist of this card was Mauricio Herrera, who also made 100 other artworks for Hearthstone.
The flavor text of the card is the following: How long can this go on? Apparently even in death.
The card is on average to memorize with 89.86% of correct quiz questions.