Timely Intervention serves the exact same role as Lucky!, a dedicate that you play retroactively when you're about to fail a test, thereby freeing you to take multiple tests with less risk rather than overdedicating on a single test to make it less likely for you to fail. For the low cost of a card and no resources in your hand (or in Isabelle Barnes' case, a single point of sanity since you can retroactively dedicate Timely Intervention from your discard pile), you have a floating +2 on all Agility and Will tests, and a +1 for everything else.

Who would complain about a 3rd or 4th copy of Lucky! in your deck?

This card pairs extremely well with a Remington Model 1858. Play it cheaply and shoot with it three times, then shoot a fourth time when it reenters your hand (8 damage). Melt bosses with a combo that only needs two cards in hand to execute.

Even better, with the Remington Model 1858, shoot five times in a turn for 10 damage. And you get to keep your valuable 4 exp gun to play again next turn!

This card alone is enough to take Rita from enemy management to flex. It should be relatively easy for her to pass the check with her track shoes and a +agility ally. And if you draw the auto tail, there is survivor tech that lets you retake a test. You'll need to have a good economy (Same old thing, Easy mark, "I'll Pay You Back!", Grift) but in two to three players, this going to make a massive dent in your team's clue-finding needs.

This is Thrice-Damned Curiosity or Shell Shock redux; it’s a pacing weakness to make sure you aren’t playing your gimmick to the hilt before you draw it. Isabelle wants to team up with Dr. Fern the way Agnes did. But the payoff is even better in chapter 2; horror healing isn’t just a financial sideline, it’s a great source of clues.

Probably an ethical problem. (“Hey, this reminds me of something you said in therapy…”)

Molly was a lot of fun (especially if you’ve found ways to heal her or call in favors); this is the best signature in the CH2 core box, because it’s a copy of your best in-deck card. That means it’ll usually be as good as the best XP card Dexter can take (but two dollars cheaper). If mystics get exceptional cards, this is balanced to be worth 10 XP. Not sure the Barnes’ pistols can keep up with that.