If a creature you control has been goaded by each of your opponents, the creature must attack an opponent (rather than a planeswalker or battle), but you choose which opponent it attacks
Feel free to include Thoughtcast or Thought Monitor as cheap card draw
Players can learn more about their card decks with Ravensburgers Disney Lorcana Collectors Guides, which currently cover card Sets 1-4 and 5-8
But each is just fine as 3-mana 2-for-1s
[151] Whereas Secret Lair sets may only consist of a few cards that may be unplayable under normal rules, Universes Beyond sets include dozens of cards, including Commander decks and booster packs, and their cards are play-legal and often usable in most Magic gameplay formats
These don't specifically mention venturing, but they do amplify the effects of triggering your dungeons' room abilities