Duplicate is a common Mage spell card that belongs to the "Curse of Naxxramas" set, which was released on 22.07.2014 and is one of initially 30 cards. The artist of this card was Alex Garner, who also made 16 other artworks for Hearthstone.
The flavor text of the card is the following: The one time when duping cards won't get your account banned!
The card is easy to memorize with 95.61% of correct quiz questions.
