The treatment of promo cards may be unique, such as the foil treatment or in the case of D23 Expo, D23 Expo marks, on the collectors set, but the characters and gameplay mechanics of those cards will be in the regular set. Miller says the goal for Lorcana is for the game to be an opt-in experience, not a coerced one, so players will have access to all the mechanics available in the game through the standard product without needing to travel to cons or events
Yet, because we only have one copy of it, it is difficult to build your entire game plan around it
Keep in mind that there are two other draftable Commander sets as well: Commander Legends: Battle for Baldur's Gate and Commander Masters
There are a couple of bonuses that we can make use of, but I dont think its enough to make Stuck in Summoner's Sanctum more than just a moderate playable
Lifegain decks are completely unable to do what they want until this card is off the battlefield, and token decks have to be very careful about how many token creatures theyre generating, or else theyll lose to Rampaging Ferocidons triggered ability