We were asked a few moons back the rationale that prompts us to buy a game. At the Nerdz Garage agree it is the art. The cover art on Antematter does set the stage for adventure and it follows through from the cards to the components.
It may seem like a light game; however, it is cleverly layered with impressive actions and mechanics on the cards. It has a noteworthy basic deck building that each player chooses their starting adventure cards.