Smoky Lounge // Misty Salon, which generates mana for casting Room spells and unlocking doors is being seen as a key piece in potentially making this strategy work
There are cards in Battle for Baldur's Gate that designate a player as "taking the initiative", which reuses the dungeon mechanic from the Adventures in the Forgotten Realms set, putting the player in a dungeon called the Undercity, allowing them to gain benefits from maintaining the initiative
That aside, the utility of running this in artifact decks is high, especially given it can double up consistency cards like Solemn Simulacrum, Baleful Strix or Mnemonic Sphere, but also solid roleplayers like Sharuum, Angel of the Ruins, or Wurmcoil Engine
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Sword of Truth and Justice just so happens to have excellent bouses, including a +1/+1 counter and a proliferate on every hit
You might gravitate towards some colors more than others, and in particular sets of decks think Simic, Sultai, Temur, WURG and URGB, you might end up with very similar decks and card choices if youre not careful