Thrall, Deathseer is a legendary Shaman hero card that belongs to the "Knights of the Frozen Throne" set, which was released on 10.08.2017 and is one of initially 135 cards. The artist of this card was Jerry Mascho, who also made 16 other artworks for Hearthstone.
The flavor text of the card is the following: "Do not be afraid. Approach. The dead will sleep… for now."
The card is easy to memorize with 95.88% of correct quiz questions.
