Grumble, Worldshaker is a legendary Shaman minion card that belongs to the "Kobolds & Catacombs" set, which was released on 07.12.2017 and is one of initially 135 cards. The artist of this card was Hideaki Takamura, who also made 62 other artworks for Hearthstone.
The flavor text of the card is the following: The grumbling grew to a mighty rumbling, and out of the caverns the kobolds came tumbling.
The card is easy to memorize with 93.81% of correct quiz questions.
