At the beginning of your end step, if you had a land enter the battlefield under your control this turn, venture into the dungeon. (Enter the first room or advance to the next room.)
"There's a new ballad waiting to be born around every corner."
Dungeons are removed from the game as a state-based action.
23-07-2021
wotc
Dungeon cards are not part of a player's deck or sideboard. In both constructed and limited formats, players can use any dungeon card when they venture into the dungeon.
23-07-2021
wotc
If you somehow venture into the dungeon while a room's ability is on the stack, you will continue on in the dungeon. If you're already in the last room, complete that dungeon and start a new one.
23-07-2021
wotc
Choosing the dungeon or room to venture into is part of resolving the venture into the dungeon keyword action. Once that choice is made, players may not respond until after the appropriate room ability has triggered.
23-07-2021
wotc
Moving into a dungeon room will cause its room ability to trigger.
23-07-2021
wotc
To venture into the dungeon, a player moves their venture marker into the next room of the dungeon they are currently in. If they aren't currently in a dungeon, that player instead chooses a dungeon card from outside the game, puts it into the command zone, and moves their venture marker onto the first room.
23-07-2021
wotc
You can only move forward (well, downward) in a dungeon, never backwards or sideways.
23-07-2021
wotc
The player venturing into the dungeon chooses which dungeon they will venture into. They may choose a dungeon that they have already completed this game.
23-07-2021
wotc
A player may only have one dungeon in the command zone at a time.
23-07-2021
wotc
Once you resolve the last room ability of a dungeon, that dungeon is now completed and is removed from the game.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.