Sacrifice two artifacts: Return this card from your graveyard to your hand
There were five branches, generally one for each color, with six slots in each, which lets non-mastery players complete most of one branch
So I should expect to cast four-cost spells about one turn later than normal
Your list is just as valid as mine after all!
2022-06-10 An adventurer card is a permanent card in every zone except the stack, as well as while on the stack if not cast as an Adventure
Though the pace of releases for TCGs can be relentless, Lorcana publisher Ravensburger have done a good job of ensuring that new sets arent launched at an overwhelming rate, but still ensure that interest is maintained in the current metagame, while dangling new opportunities with new sets on the horizon