Aviana is a legendary Druid minion card that belongs to the "The Grand Tourney" set, which was released on 24.08.2015 and is one of initially 132 cards. The artist of this card was Velvet Engine, who also made 1 other artworks for Hearthstone.
The flavor text of the card is the following: Call her "Tweety". She'll find it real funny. I PROMISE.
The card is easy to memorize with 100% of correct quiz questions.