You can create pretty consistent scenarios where you play a room card and unlock the other door: Victor, Valgavoth's Seneschal lets you surveil 2 while your opponents discard a card
Both of those are positive abilities to help grow her loyalty to your cause, so you don't need to run back and forth between a plus ability you don't want and a minus one you do
Finally I was thinking about the archetype as a whole and had an idea for a discard matters card in green
That means each one was opened, pick one, pack one, hundreds of times and always, always first-picked
Commander has a ton of powerful ways to generate a bunch of mana, and turning that mana into cards, life, and a Jellyfish Hydra Beast that flies and tramples is pretty much everything you want to be doing in the format
Wizards Reveals Dominaria Remastered Products & More Click To Pre-Order Yours From | TCGplayer | eBay | or | Amazon | There will be four products for Dominaria Remastered, so there are plenty of ways to grab the new cards
