Mask of C'Thun is a rare Mage spell card 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 Ware Lee, who also made 13 other artworks for Hearthstone.
The flavor text of the card is the following: Hide in the mask, but it will wear you. Through its gleaming eye, you shall see true.
The card is easy to memorize with 94.12% of correct quiz questions.
