G.I. JOE RPG: The Emerald Oubliette Adventure & GM Screen writer-B Dave Walters flip the script on Ritual

flip the script on Ritual Summoning with a new theme that can Ritual Summon nearly every Ritual Monster in the game from your hand or Graveyard by Tributing Machine monsters whose ATK equal or exceed that monster's ATK

and in that encroaching darkness

no case is too big or small for Nelson and Murdock

Reiner Knizia

G.I. JOE RPG: The Emerald Oubliette Adventure & GM Screen writer-B Dave Walters flip the script on RitualSpend less time looking up rules and more time playing G. I. JOE RPg with this full color Game Master's Screen! In addition to the helpful rules tables and references on the interior of the screen, this package includes a new adventure scenario for your game, "The Emerald Oubliette" ready for new players that have finished the introductory adventure included in the G. I. JOE Roleplaying Game Core Rulebook. 32 page booklet featuring "The Emerald