Win the indicated number of matches with the "Eyes Of Shadows" deck to unlock 
the corresponding card for it:

  Ascendant Evincar: 13 
  Corrupt: 15 
  Crowd Of Cinders: 8 
  Deathmark: 9 
  Deathmark: 5 
  Demon's Horn: 1 
  Demon's Horn: 6 
  Demon's Horn: 4 
  Demon's Horn: 3 
  Dread: 16 
  Hollowborn Barghest: 17 
  Mind Shatter: 10 
  Mortivore: 11 
  Nekrataal: 14 
  Plague Wind: 2 
  Royal Assassin: 12 
  Soot Imp: 7