Crisis on Infinite Earths is one of the most well known comic stories of all time - now enjoy it with theses 3 Dice Masters cards. Add versions of Superman, Supergirl, and The Flash to your next team to give your opponent a crisis. Corresponding dice separate. This promo card set for DC Comics Dice Masters contains three cards: Superman: Invulnerable (Alternate Art for card from DC Comics Dice Masters: World's Finest) Supergirl: Crisis on Infinite Earths The Flash: Crisis on Infinite Earths Superman and Supergirl use the dice from DC Comics Dice Masters: World's Finest, The Flash uses the die from DC Comics Dice Masters: Justice League.