I've used the upgrade successfully in a speedy Ursula deck that sometimes struggles to get all its cards at the right time. Compared to Preposterous Sketches, which gives you 9 cards for 6 Resources and 3 actions (as long as there is a clue at your location, and assuming you can get one of them back into your hand), this is up to 9 cards for 3 Resources and 4 actions, assuming you can beat a (1) test by 3, which isn't that hard, especially if your seeker has some sort of static boost. Other Seekers more covetous of their Arcane slots might feel differently.
This would probably be a stepping stone on the way to the upgrade, but it's OK as a beginning card.