Calculated Gamble has a lot of synergy with Sly cards, but don't underestimate how valuable it is just to find your best cards as quickly as possible. Silent is capable of Turn 1 plays like Acrobatics -> Adrenaline -> Calculated Gamble -> Play all the best cards in your deck. That said, don't take this in Act 1 over solid cards which improve your output. Before it takes off, it's an unimpressive card, and there's a downside to speeding through your deck; you draw statuses enemies added earlier.
