1. Arena Rex Gen Con Open 2018 ID: 2018-NMN18135779 Year: 2018 Title: Arena Rex Gen Con Open 2018 Summary: Back for 2018 with new organized play mechanics! Pit your 6-combatant cohort against others on the sands for favor & glory, & be the 1 to take home 2018's GENEVAE REX rudis.