The full text of each room ability is When you move your venture marker into this room, [effect.] As long as a dungeon card is in the command zone, its abilities may trigger
Card Set(s) -Kingdoms of Intrigue- [OP-04] CARD VIEW OP04-039 | L | LEADER Rebecca (Parallel) Attribute Slash Block Icon 1 Effect This Leader cannot attack
Neo Genesis is the first set for which I believe there are such artificial rarity differences for valuable cards
Getting back Supporters with VS Seeker, Lysandre's Trump Card, or Marley's Request has always been a fantastic thing to do
As far as cards to pitch to Force are concerned, Mantis Riders, Phantasmal Images, Reflector Mages, Meddling Mages, and Unsettled Mariners (potentially) are on the roster