Shadow Suffusion is a rare Shaman spell card that belongs to the "March of the Lich King" set, which was released on 06.12.2022 and is one of initially 145 cards. The artist of this card was Anton Zemskov, who also made 128 other artworks for Hearthstone.
The flavor text of the card is the following: Be honest - you had to look up what that means.
The card is on average to memorize with 89.47% of correct quiz questions.