User summary: This card set was offered to participants in the Mark of Heroes organized play program. Cards were delivered through the D&D Rewards program and were mailed to recipients. Cards could be "played", as noted on the card itself, to gain some advantage in the organized play program. The set of ten cards included: Taint of the Daelkyr A ’Forged Apart Back to the Wall Dance of Death Rooftop Elite Master's Luck Stance of the Dragon Turtle Raging Spell Zilargo Elemental Binder Eldeen Plant Binder N.B. Set 3 also included a Master's Luck card; the Set 5 card can be distinguished by the character holding a large black bird.