New Components
Venture into the Dungeon / Undercity
Move into (or deeper through) a dungeon card in the command zone: if you have no dungeon active, put one into the command zone and move to its first room; otherwise, advance to the next room. Entering a room triggers its effect. Undercity is the specific dungeon tied to the Initiative mechanic.
Example cards
60 cards matching o:"Venture into the Dungeon"
