Oaken Summons is a common Druid spell 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 Konstantin Turovec, who also made 136 other artworks for Hearthstone.
The flavor text of the card is the following: The Guild used oak trees until they all turned to ash.
The card is easy to memorize with 93.86% of correct quiz questions.