Ancient Mysteries is a common Mage spell card that belongs to the "Saviors of Uldum" set, which was released on 06.08.2019 and is one of initially 135 cards. The artist of this card was Jim Nelson, who also made 124 other artworks for Hearthstone.
The flavor text of the card is the following: I'm not saying it was aliens, but it was TOTALLY aliens!
The card is easy to memorize with 94.87% of correct quiz questions.
