sentences:  The remaining promotional actor cards were slated to be awarded as prizes at sanctioned X-Men TCG events, but neither tournaments nor competitive leagues were ever established.Consequently, it is believed among fans of collectable cards that these undistributed promo cards rank among the all-time most-difficult acquisitions in all of collectable gaming.This collectible strategy game combined standard TCG game elements with a dice-rolling game mechanic, then a seldom-used core feature in trading card games.