Every distinct wording since 2010, newest first.
June 10, 2022 · Commander Legends: Battle for Baldur’s Gate
If a player ventures into the dungeon while they own a dungeon card in the command zone and their venture marker isn’t on that dungeon’s bottommost room, they move their venture marker from the room it is on to the next room, following the direction of an arrow pointing away from the room their venture marker is on. If there are multiple arrows pointing away from the room the player’s venture marker is on, they choose one of them to follow.
July 23, 2021 · Adventures in the Forgotten Realms
If a player ventures into the dungeon while they own a dungeon card in the command zone and their venture marker isn’t on that dungeon’s bottommost room, they move their venture marker from the room it is in to the next room, following the direction of an arrow pointing away from the room their venture marker is in. If there are multiple arrows pointing away from the room the player’s venture marker is in, they choose one of them to follow.